25904240

素因数分解:

$2^4\times 5^1\times {\mathrm{323803}}^1$

素因数の和:323816

約数の個数: 20

約数和(自身を含む): 60227544

約数和(自身を除く): 34323304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 323803, 647606, 1295212, 1619015, 2590424, 3238030, 5180848, 6476060, 12952120, 25904240]

約数ペア:

[(1, 25904240), (2, 12952120), (4, 6476060), (5, 5180848), (8, 3238030), (10, 2590424), (16, 1619015), (20, 1295212), (40, 647606), (80, 323803)]