28070800

素因数分解:

$2^4\times 5^2\times {\mathrm{70177}}^1$

素因数の和:70195

約数の個数: 30

約数和(自身を含む): 67441058

約数和(自身を除く): 39370258

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70177, 140354, 280708, 350885, 561416, 701770, 1122832, 1403540, 1754425, 2807080, 3508850, 5614160, 7017700, 14035400, 28070800]

約数ペア:

[(1, 28070800), (2, 14035400), (4, 7017700), (5, 5614160), (8, 3508850), (10, 2807080), (16, 1754425), (20, 1403540), (25, 1122832), (40, 701770), (50, 561416), (80, 350885), (100, 280708), (200, 140354), (400, 70177)]