25188640

素因数分解:

$2^5\times 5^1\times {\mathrm{157429}}^1$

素因数の和:157444

約数の個数: 24

約数和(自身を含む): 59508540

約数和(自身を除く): 34319900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 157429, 314858, 629716, 787145, 1259432, 1574290, 2518864, 3148580, 5037728, 6297160, 12594320, 25188640]

約数ペア:

[(1, 25188640), (2, 12594320), (4, 6297160), (5, 5037728), (8, 3148580), (10, 2518864), (16, 1574290), (20, 1259432), (32, 787145), (40, 629716), (80, 314858), (160, 157429)]