255165340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{411557}}^1$

素因数の和:411597

約数の個数: 24

約数和(自身を含む): 553133952

約数和(自身を除く): 297968612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 411557, 823114, 1646228, 2057785, 4115570, 8231140, 12758267, 25516534, 51033068, 63791335, 127582670, 255165340]

約数ペア:

[(1, 255165340), (2, 127582670), (4, 63791335), (5, 51033068), (10, 25516534), (20, 12758267), (31, 8231140), (62, 4115570), (124, 2057785), (155, 1646228), (310, 823114), (620, 411557)]