8125240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 18545760

約数和(自身を除く): 10420520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2861, 5722, 11444, 14305, 22888, 28610, 57220, 114440, 203131, 406262, 812524, 1015655, 1625048, 2031310, 4062620, 8125240]

約数ペア:

[(1, 8125240), (2, 4062620), (4, 2031310), (5, 1625048), (8, 1015655), (10, 812524), (20, 406262), (40, 203131), (71, 114440), (142, 57220), (284, 28610), (355, 22888), (568, 14305), (710, 11444), (1420, 5722), (2840, 2861)]