164075980

素因数分解:

$2^2\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{3181}}^1$

素因数の和:5769

約数の個数: 24

約数和(自身を含む): 344801520

約数和(自身を除く): 180725540

約数列:

[1, 2, 4, 5, 10, 20, 2579, 3181, 5158, 6362, 10316, 12724, 12895, 15905, 25790, 31810, 51580, 63620, 8203799, 16407598, 32815196, 41018995, 82037990, 164075980]

約数ペア:

[(1, 164075980), (2, 82037990), (4, 41018995), (5, 32815196), (10, 16407598), (20, 8203799), (2579, 63620), (3181, 51580), (5158, 31810), (6362, 25790), (10316, 15905), (12724, 12895)]