38421640

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4019}}^1$

素因数の和:4269

約数の個数: 32

約数和(自身を含む): 86832000

約数和(自身を除く): 48410360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4019, 4780, 8038, 9560, 16076, 20095, 32152, 40190, 80380, 160760, 960541, 1921082, 3842164, 4802705, 7684328, 9605410, 19210820, 38421640]

約数ペア:

[(1, 38421640), (2, 19210820), (4, 9605410), (5, 7684328), (8, 4802705), (10, 3842164), (20, 1921082), (40, 960541), (239, 160760), (478, 80380), (956, 40190), (1195, 32152), (1912, 20095), (2390, 16076), (4019, 9560), (4780, 8038)]