2155019080

素因数分解:

$2^3\times 5^1\times {\mathrm{4327}}^1\times {\mathrm{12451}}^1$

素因数の和:16789

約数の個数: 32

約数和(自身を含む): 4850303040

約数和(自身を除く): 2695283960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4327, 8654, 12451, 17308, 21635, 24902, 34616, 43270, 49804, 62255, 86540, 99608, 124510, 173080, 249020, 498040, 53875477, 107750954, 215501908, 269377385, 431003816, 538754770, 1077509540, 2155019080]

約数ペア:

[(1, 2155019080), (2, 1077509540), (4, 538754770), (5, 431003816), (8, 269377385), (10, 215501908), (20, 107750954), (40, 53875477), (4327, 498040), (8654, 249020), (12451, 173080), (17308, 124510), (21635, 99608), (24902, 86540), (34616, 62255), (43270, 49804)]