55828400

素因数分解:

$2^4\times 5^2\times {\mathrm{139571}}^1$

素因数の和:139589

約数の個数: 30

約数和(自身を含む): 134128692

約数和(自身を除く): 78300292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139571, 279142, 558284, 697855, 1116568, 1395710, 2233136, 2791420, 3489275, 5582840, 6978550, 11165680, 13957100, 27914200, 55828400]

約数ペア:

[(1, 55828400), (2, 27914200), (4, 13957100), (5, 11165680), (8, 6978550), (10, 5582840), (16, 3489275), (20, 2791420), (25, 2233136), (40, 1395710), (50, 1116568), (80, 697855), (100, 558284), (200, 279142), (400, 139571)]