164094220

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{4481}}^1$

素因数の和:6321

約数の個数: 24

約数和(自身を含む): 344863008

約数和(自身を除く): 180768788

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 4481, 7324, 8962, 9155, 17924, 18310, 22405, 36620, 44810, 89620, 8204711, 16409422, 32818844, 41023555, 82047110, 164094220]

約数ペア:

[(1, 164094220), (2, 82047110), (4, 41023555), (5, 32818844), (10, 16409422), (20, 8204711), (1831, 89620), (3662, 44810), (4481, 36620), (7324, 22405), (8962, 18310), (9155, 17924)]