25025000

素因数分解:

$2^3\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 192

約数和(自身を含む): 78744960

約数和(自身を除く): 53719960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 88, 91, 100, 104, 110, 125, 130, 140, 143, 154, 175, 182, 200, 220, 250, 260, 275, 280, 286, 308, 325, 350, 364, 385, 440, 455, 500, 520, 550, 572, 616, 625, 650, 700, 715, 728, 770, 875, 910, 1000, 1001, 1100, 1144, 1250, 1300, 1375, 1400, 1430, 1540, 1625, 1750, 1820, 1925, 2002, 2200, 2275, 2500, 2600, 2750, 2860, 3080, 3125, 3250, 3500, 3575, 3640, 3850, 4004, 4375, 4550, 5000, 5005, 5500, 5720, 6250, 6500, 6875, 7000, 7150, 7700, 8008, 8125, 8750, 9100, 9625, 10010, 11000, 11375, 12500, 13000, 13750, 14300, 15400, 16250, 17500, 17875, 18200, 19250, 20020, 21875, 22750, 25000, 25025, 27500, 28600, 32500, 34375, 35000, 35750, 38500, 40040, 40625, 43750, 45500, 48125, 50050, 55000, 56875, 65000, 68750, 71500, 77000, 81250, 87500, 89375, 91000, 96250, 100100, 113750, 125125, 137500, 143000, 162500, 175000, 178750, 192500, 200200, 227500, 240625, 250250, 275000, 284375, 325000, 357500, 385000, 446875, 455000, 481250, 500500, 568750, 625625, 715000, 893750, 962500, 1001000, 1137500, 1251250, 1787500, 1925000, 2275000, 2502500, 3128125, 3575000, 5005000, 6256250, 12512500, 25025000]

約数ペア:

[(1, 25025000), (2, 12512500), (4, 6256250), (5, 5005000), (7, 3575000), (8, 3128125), (10, 2502500), (11, 2275000), (13, 1925000), (14, 1787500), (20, 1251250), (22, 1137500), (25, 1001000), (26, 962500), (28, 893750), (35, 715000), (40, 625625), (44, 568750), (50, 500500), (52, 481250), (55, 455000), (56, 446875), (65, 385000), (70, 357500), (77, 325000), (88, 284375), (91, 275000), (100, 250250), (104, 240625), (110, 227500), (125, 200200), (130, 192500), (140, 178750), (143, 175000), (154, 162500), (175, 143000), (182, 137500), (200, 125125), (220, 113750), (250, 100100), (260, 96250), (275, 91000), (280, 89375), (286, 87500), (308, 81250), (325, 77000), (350, 71500), (364, 68750), (385, 65000), (440, 56875), (455, 55000), (500, 50050), (520, 48125), (550, 45500), (572, 43750), (616, 40625), (625, 40040), (650, 38500), (700, 35750), (715, 35000), (728, 34375), (770, 32500), (875, 28600), (910, 27500), (1000, 25025), (1001, 25000), (1100, 22750), (1144, 21875), (1250, 20020), (1300, 19250), (1375, 18200), (1400, 17875), (1430, 17500), (1540, 16250), (1625, 15400), (1750, 14300), (1820, 13750), (1925, 13000), (2002, 12500), (2200, 11375), (2275, 11000), (2500, 10010), (2600, 9625), (2750, 9100), (2860, 8750), (3080, 8125), (3125, 8008), (3250, 7700), (3500, 7150), (3575, 7000), (3640, 6875), (3850, 6500), (4004, 6250), (4375, 5720), (4550, 5500), (5000, 5005)]