25027540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 30743084

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1091, 1147, 2182, 2294, 4364, 4588, 5455, 5735, 10910, 11470, 21820, 22940, 33821, 40367, 67642, 80734, 135284, 161468, 169105, 201835, 338210, 403670, 676420, 807340, 1251377, 2502754, 5005508, 6256885, 12513770, 25027540]

約数ペア:

[(1, 25027540), (2, 12513770), (4, 6256885), (5, 5005508), (10, 2502754), (20, 1251377), (31, 807340), (37, 676420), (62, 403670), (74, 338210), (124, 201835), (148, 169105), (155, 161468), (185, 135284), (310, 80734), (370, 67642), (620, 40367), (740, 33821), (1091, 22940), (1147, 21820), (2182, 11470), (2294, 10910), (4364, 5735), (4588, 5455)]