130975000

素因数分解:

$2^3\times 5^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 343103040

約数和(自身を除く): 212128040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 155, 169, 200, 248, 250, 260, 310, 325, 338, 403, 500, 520, 620, 625, 650, 676, 775, 806, 845, 1000, 1240, 1250, 1300, 1352, 1550, 1612, 1625, 1690, 2015, 2500, 2600, 3100, 3125, 3224, 3250, 3380, 3875, 4030, 4225, 5000, 5239, 6200, 6250, 6500, 6760, 7750, 8060, 8125, 8450, 10075, 10478, 12500, 13000, 15500, 16120, 16250, 16900, 19375, 20150, 20956, 21125, 25000, 26195, 31000, 32500, 33800, 38750, 40300, 40625, 41912, 42250, 50375, 52390, 65000, 77500, 80600, 81250, 84500, 96875, 100750, 104780, 105625, 130975, 155000, 162500, 169000, 193750, 201500, 209560, 211250, 251875, 261950, 325000, 387500, 403000, 422500, 503750, 523900, 528125, 654875, 775000, 845000, 1007500, 1047800, 1056250, 1259375, 1309750, 2015000, 2112500, 2518750, 2619500, 3274375, 4225000, 5037500, 5239000, 6548750, 10075000, 13097500, 16371875, 26195000, 32743750, 65487500, 130975000]

約数ペア:

[(1, 130975000), (2, 65487500), (4, 32743750), (5, 26195000), (8, 16371875), (10, 13097500), (13, 10075000), (20, 6548750), (25, 5239000), (26, 5037500), (31, 4225000), (40, 3274375), (50, 2619500), (52, 2518750), (62, 2112500), (65, 2015000), (100, 1309750), (104, 1259375), (124, 1056250), (125, 1047800), (130, 1007500), (155, 845000), (169, 775000), (200, 654875), (248, 528125), (250, 523900), (260, 503750), (310, 422500), (325, 403000), (338, 387500), (403, 325000), (500, 261950), (520, 251875), (620, 211250), (625, 209560), (650, 201500), (676, 193750), (775, 169000), (806, 162500), (845, 155000), (1000, 130975), (1240, 105625), (1250, 104780), (1300, 100750), (1352, 96875), (1550, 84500), (1612, 81250), (1625, 80600), (1690, 77500), (2015, 65000), (2500, 52390), (2600, 50375), (3100, 42250), (3125, 41912), (3224, 40625), (3250, 40300), (3380, 38750), (3875, 33800), (4030, 32500), (4225, 31000), (5000, 26195), (5239, 25000), (6200, 21125), (6250, 20956), (6500, 20150), (6760, 19375), (7750, 16900), (8060, 16250), (8125, 16120), (8450, 15500), (10075, 13000), (10478, 12500)]