39788960

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 94689000

約数和(自身を除く): 54900040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 1669, 2384, 2980, 3338, 4768, 5960, 6676, 8345, 11920, 13352, 16690, 23840, 26704, 33380, 53408, 66760, 133520, 248681, 267040, 497362, 994724, 1243405, 1989448, 2486810, 3978896, 4973620, 7957792, 9947240, 19894480, 39788960]

約数ペア:

[(1, 39788960), (2, 19894480), (4, 9947240), (5, 7957792), (8, 4973620), (10, 3978896), (16, 2486810), (20, 1989448), (32, 1243405), (40, 994724), (80, 497362), (149, 267040), (160, 248681), (298, 133520), (596, 66760), (745, 53408), (1192, 33380), (1490, 26704), (1669, 23840), (2384, 16690), (2980, 13352), (3338, 11920), (4768, 8345), (5960, 6676)]