129717080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{23671}}^1$

素因数の和:23819

約数の個数: 32

約数和(自身を含む): 294006240

約数和(自身を除く): 164289160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 23671, 47342, 94684, 118355, 189368, 236710, 473420, 946840, 3242927, 6485854, 12971708, 16214635, 25943416, 32429270, 64858540, 129717080]

約数ペア:

[(1, 129717080), (2, 64858540), (4, 32429270), (5, 25943416), (8, 16214635), (10, 12971708), (20, 6485854), (40, 3242927), (137, 946840), (274, 473420), (548, 236710), (685, 189368), (1096, 118355), (1370, 94684), (2740, 47342), (5480, 23671)]