20081240050

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{829}}^1\times {\mathrm{1801}}^1$

素因数の和:2911

約数の個数: 48

約数和(自身を含む): 37556022600

約数和(自身を除く): 17474782550

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 829, 1345, 1658, 1801, 2690, 3602, 4145, 6725, 8290, 9005, 13450, 18010, 20725, 41450, 45025, 90050, 223001, 446002, 484469, 968938, 1115005, 1493029, 2230010, 2422345, 2986058, 4844690, 5575025, 7465145, 11150050, 12111725, 14930290, 24223450, 37325725, 74651450, 401624801, 803249602, 2008124005, 4016248010, 10040620025, 20081240050]

約数ペア:

[(1, 20081240050), (2, 10040620025), (5, 4016248010), (10, 2008124005), (25, 803249602), (50, 401624801), (269, 74651450), (538, 37325725), (829, 24223450), (1345, 14930290), (1658, 12111725), (1801, 11150050), (2690, 7465145), (3602, 5575025), (4145, 4844690), (6725, 2986058), (8290, 2422345), (9005, 2230010), (13450, 1493029), (18010, 1115005), (20725, 968938), (41450, 484469), (45025, 446002), (90050, 223001)]