70707920

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2161}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 164874120

約数和(自身を除く): 94166200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 2161, 3272, 4090, 4322, 6544, 8180, 8644, 10805, 16360, 17288, 21610, 32720, 34576, 43220, 86440, 172880, 883849, 1767698, 3535396, 4419245, 7070792, 8838490, 14141584, 17676980, 35353960, 70707920]

約数ペア:

[(1, 70707920), (2, 35353960), (4, 17676980), (5, 14141584), (8, 8838490), (10, 7070792), (16, 4419245), (20, 3535396), (40, 1767698), (80, 883849), (409, 172880), (818, 86440), (1636, 43220), (2045, 34576), (2161, 32720), (3272, 21610), (4090, 17288), (4322, 16360), (6544, 10805), (8180, 8644)]