12512500

素因数分解:

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

素因数の和:60

約数の個数: 144

約数和(自身を含む): 36747648

約数和(自身を除く): 24235148

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 125, 130, 140, 143, 154, 175, 182, 220, 250, 260, 275, 286, 308, 325, 350, 364, 385, 455, 500, 550, 572, 625, 650, 700, 715, 770, 875, 910, 1001, 1100, 1250, 1300, 1375, 1430, 1540, 1625, 1750, 1820, 1925, 2002, 2275, 2500, 2750, 2860, 3125, 3250, 3500, 3575, 3850, 4004, 4375, 4550, 5005, 5500, 6250, 6500, 6875, 7150, 7700, 8125, 8750, 9100, 9625, 10010, 11375, 12500, 13750, 14300, 16250, 17500, 17875, 19250, 20020, 21875, 22750, 25025, 27500, 32500, 34375, 35750, 38500, 40625, 43750, 45500, 48125, 50050, 56875, 68750, 71500, 81250, 87500, 89375, 96250, 100100, 113750, 125125, 137500, 162500, 178750, 192500, 227500, 240625, 250250, 284375, 357500, 446875, 481250, 500500, 568750, 625625, 893750, 962500, 1137500, 1251250, 1787500, 2502500, 3128125, 6256250, 12512500]

約数ペア:

[(1, 12512500), (2, 6256250), (4, 3128125), (5, 2502500), (7, 1787500), (10, 1251250), (11, 1137500), (13, 962500), (14, 893750), (20, 625625), (22, 568750), (25, 500500), (26, 481250), (28, 446875), (35, 357500), (44, 284375), (50, 250250), (52, 240625), (55, 227500), (65, 192500), (70, 178750), (77, 162500), (91, 137500), (100, 125125), (110, 113750), (125, 100100), (130, 96250), (140, 89375), (143, 87500), (154, 81250), (175, 71500), (182, 68750), (220, 56875), (250, 50050), (260, 48125), (275, 45500), (286, 43750), (308, 40625), (325, 38500), (350, 35750), (364, 34375), (385, 32500), (455, 27500), (500, 25025), (550, 22750), (572, 21875), (625, 20020), (650, 19250), (700, 17875), (715, 17500), (770, 16250), (875, 14300), (910, 13750), (1001, 12500), (1100, 11375), (1250, 10010), (1300, 9625), (1375, 9100), (1430, 8750), (1540, 8125), (1625, 7700), (1750, 7150), (1820, 6875), (1925, 6500), (2002, 6250), (2275, 5500), (2500, 5005), (2750, 4550), (2860, 4375), (3125, 4004), (3250, 3850), (3500, 3575)]