25496080

素因数分解:

$2^4\times 5^1\times {\mathrm{318701}}^1$

素因数の和:318714

約数の個数: 20

約数和(自身を含む): 59278572

約数和(自身を除く): 33782492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318701, 637402, 1274804, 1593505, 2549608, 3187010, 5099216, 6374020, 12748040, 25496080]

約数ペア:

[(1, 25496080), (2, 12748040), (4, 6374020), (5, 5099216), (8, 3187010), (10, 2549608), (16, 1593505), (20, 1274804), (40, 637402), (80, 318701)]