15820450

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1206

約数の個数: 24

約数和(自身を含む): 29537172

約数和(自身を除く): 13716722

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 797, 1594, 1985, 3970, 3985, 7970, 9925, 19850, 19925, 39850, 316409, 632818, 1582045, 3164090, 7910225, 15820450]

約数ペア:

[(1, 15820450), (2, 7910225), (5, 3164090), (10, 1582045), (25, 632818), (50, 316409), (397, 39850), (794, 19925), (797, 19850), (1594, 9925), (1985, 7970), (3970, 3985)]