79370800

素因数分解:

$2^4\times 5^2\times {\mathrm{198427}}^1$

素因数の和:198445

約数の個数: 30

約数和(自身を含む): 190689308

約数和(自身を除く): 111318508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198427, 396854, 793708, 992135, 1587416, 1984270, 3174832, 3968540, 4960675, 7937080, 9921350, 15874160, 19842700, 39685400, 79370800]

約数ペア:

[(1, 79370800), (2, 39685400), (4, 19842700), (5, 15874160), (8, 9921350), (10, 7937080), (16, 4960675), (20, 3968540), (25, 3174832), (40, 1984270), (50, 1587416), (80, 992135), (100, 793708), (200, 396854), (400, 198427)]