156128540

素因数分解:

$2^2\times 5^1\times {\mathrm{2791}}^1\times {\mathrm{2797}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 328104672

約数和(自身を除く): 171976132

約数列:

[1, 2, 4, 5, 10, 20, 2791, 2797, 5582, 5594, 11164, 11188, 13955, 13985, 27910, 27970, 55820, 55940, 7806427, 15612854, 31225708, 39032135, 78064270, 156128540]

約数ペア:

[(1, 156128540), (2, 78064270), (4, 39032135), (5, 31225708), (10, 15612854), (20, 7806427), (2791, 55940), (2797, 55820), (5582, 27970), (5594, 27910), (11164, 13985), (11188, 13955)]