397213280

素因数分解:

$2^5\times 5^1\times {\mathrm{2482583}}^1$

素因数の和:2482598

約数の個数: 24

約数和(自身を含む): 938416752

約数和(自身を除く): 541203472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2482583, 4965166, 9930332, 12412915, 19860664, 24825830, 39721328, 49651660, 79442656, 99303320, 198606640, 397213280]

約数ペア:

[(1, 397213280), (2, 198606640), (4, 99303320), (5, 79442656), (8, 49651660), (10, 39721328), (16, 24825830), (20, 19860664), (32, 12412915), (40, 9930332), (80, 4965166), (160, 2482583)]