25047160

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1531}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 56530800

約数和(自身を除く): 31483640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1531, 1636, 2045, 3062, 3272, 4090, 6124, 7655, 8180, 12248, 15310, 16360, 30620, 61240, 626179, 1252358, 2504716, 3130895, 5009432, 6261790, 12523580, 25047160]

約数ペア:

[(1, 25047160), (2, 12523580), (4, 6261790), (5, 5009432), (8, 3130895), (10, 2504716), (20, 1252358), (40, 626179), (409, 61240), (818, 30620), (1531, 16360), (1636, 15310), (2045, 12248), (3062, 8180), (3272, 7655), (4090, 6124)]