20155200400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{950717}}^1$

素因数の和:950788

約数の個数: 60

約数和(自身を含む): 49336559892

約数和(自身を除く): 29181359492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 4240, 5300, 10600, 21200, 950717, 1901434, 3802868, 4753585, 7605736, 9507170, 15211472, 19014340, 23767925, 38028680, 47535850, 50388001, 76057360, 95071700, 100776002, 190143400, 201552004, 251940005, 380286800, 403104008, 503880010, 806208016, 1007760020, 1259700025, 2015520040, 2519400050, 4031040080, 5038800100, 10077600200, 20155200400]

約数ペア:

[(1, 20155200400), (2, 10077600200), (4, 5038800100), (5, 4031040080), (8, 2519400050), (10, 2015520040), (16, 1259700025), (20, 1007760020), (25, 806208016), (40, 503880010), (50, 403104008), (53, 380286800), (80, 251940005), (100, 201552004), (106, 190143400), (200, 100776002), (212, 95071700), (265, 76057360), (400, 50388001), (424, 47535850), (530, 38028680), (848, 23767925), (1060, 19014340), (1325, 15211472), (2120, 9507170), (2650, 7605736), (4240, 4753585), (5300, 3802868), (10600, 1901434), (21200, 950717)]