9947240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 22545000

約数和(自身を除く): 12597760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 1669, 2980, 3338, 5960, 6676, 8345, 13352, 16690, 33380, 66760, 248681, 497362, 994724, 1243405, 1989448, 2486810, 4973620, 9947240]

約数ペア:

[(1, 9947240), (2, 4973620), (4, 2486810), (5, 1989448), (8, 1243405), (10, 994724), (20, 497362), (40, 248681), (149, 66760), (298, 33380), (596, 16690), (745, 13352), (1192, 8345), (1490, 6676), (1669, 5960), (2980, 3338)]