104943760

素因数分解:

$2^4\times 5^1\times {\mathrm{1311797}}^1$

素因数の和:1311810

約数の個数: 20

約数和(自身を含む): 243994428

約数和(自身を除く): 139050668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1311797, 2623594, 5247188, 6558985, 10494376, 13117970, 20988752, 26235940, 52471880, 104943760]

約数ペア:

[(1, 104943760), (2, 52471880), (4, 26235940), (5, 20988752), (8, 13117970), (10, 10494376), (16, 6558985), (20, 5247188), (40, 2623594), (80, 1311797)]