66704320

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1399}}^1$

素因数の和:1565

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 93315680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 745, 1192, 1399, 1490, 2384, 2798, 2980, 4768, 5596, 5960, 6995, 9536, 11192, 11920, 13990, 22384, 23840, 27980, 44768, 47680, 55960, 89536, 111920, 208451, 223840, 416902, 447680, 833804, 1042255, 1667608, 2084510, 3335216, 4169020, 6670432, 8338040, 13340864, 16676080, 33352160, 66704320]

約数ペア:

[(1, 66704320), (2, 33352160), (4, 16676080), (5, 13340864), (8, 8338040), (10, 6670432), (16, 4169020), (20, 3335216), (32, 2084510), (40, 1667608), (64, 1042255), (80, 833804), (149, 447680), (160, 416902), (298, 223840), (320, 208451), (596, 111920), (745, 89536), (1192, 55960), (1399, 47680), (1490, 44768), (2384, 27980), (2798, 23840), (2980, 22384), (4768, 13990), (5596, 11920), (5960, 11192), (6995, 9536)]