15902840

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1049}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 35910000

約数和(自身を除く): 20007160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1049, 1516, 1895, 2098, 3032, 3790, 4196, 5245, 7580, 8392, 10490, 15160, 20980, 41960, 397571, 795142, 1590284, 1987855, 3180568, 3975710, 7951420, 15902840]

約数ペア:

[(1, 15902840), (2, 7951420), (4, 3975710), (5, 3180568), (8, 1987855), (10, 1590284), (20, 795142), (40, 397571), (379, 41960), (758, 20980), (1049, 15160), (1516, 10490), (1895, 8392), (2098, 7580), (3032, 5245), (3790, 4196)]