51357100

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{2131}}^1$

素因数の和:2386

約数の個数: 36

約数和(自身を含む): 111959848

約数和(自身を除く): 60602748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2131, 2410, 4262, 4820, 6025, 8524, 10655, 12050, 21310, 24100, 42620, 53275, 106550, 213100, 513571, 1027142, 2054284, 2567855, 5135710, 10271420, 12839275, 25678550, 51357100]

約数ペア:

[(1, 51357100), (2, 25678550), (4, 12839275), (5, 10271420), (10, 5135710), (20, 2567855), (25, 2054284), (50, 1027142), (100, 513571), (241, 213100), (482, 106550), (964, 53275), (1205, 42620), (2131, 24100), (2410, 21310), (4262, 12050), (4820, 10655), (6025, 8524)]