156621020

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{4831}}^1$

素因数の和:6461

約数の個数: 24

約数和(自身を含む): 329175168

約数和(自身を除く): 172554148

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 4831, 6484, 8105, 9662, 16210, 19324, 24155, 32420, 48310, 96620, 7831051, 15662102, 31324204, 39155255, 78310510, 156621020]

約数ペア:

[(1, 156621020), (2, 78310510), (4, 39155255), (5, 31324204), (10, 15662102), (20, 7831051), (1621, 96620), (3242, 48310), (4831, 32420), (6484, 24155), (8105, 19324), (9662, 16210)]