40128680

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6733}}^1$

素因数の和:6893

約数の個数: 32

約数和(自身を含む): 90909000

約数和(自身を除く): 50780320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 6733, 13466, 26932, 33665, 53864, 67330, 134660, 269320, 1003217, 2006434, 4012868, 5016085, 8025736, 10032170, 20064340, 40128680]

約数ペア:

[(1, 40128680), (2, 20064340), (4, 10032170), (5, 8025736), (8, 5016085), (10, 4012868), (20, 2006434), (40, 1003217), (149, 269320), (298, 134660), (596, 67330), (745, 53864), (1192, 33665), (1490, 26932), (2980, 13466), (5960, 6733)]