12950800

素因数分解:

$2^4\times 5^2\times {\mathrm{32377}}^1$

素因数の和:32395

約数の個数: 30

約数和(自身を含む): 31115258

約数和(自身を除く): 18164458

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32377, 64754, 129508, 161885, 259016, 323770, 518032, 647540, 809425, 1295080, 1618850, 2590160, 3237700, 6475400, 12950800]

約数ペア:

[(1, 12950800), (2, 6475400), (4, 3237700), (5, 2590160), (8, 1618850), (10, 1295080), (16, 809425), (20, 647540), (25, 518032), (40, 323770), (50, 259016), (80, 161885), (100, 129508), (200, 64754), (400, 32377)]