80304320

素因数分解:

$2^6\times 5^1\times {\mathrm{250951}}^1$

素因数の和:250968

約数の個数: 28

約数和(自身を含む): 191225424

約数和(自身を除く): 110921104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 250951, 501902, 1003804, 1254755, 2007608, 2509510, 4015216, 5019020, 8030432, 10038040, 16060864, 20076080, 40152160, 80304320]

約数ペア:

[(1, 80304320), (2, 40152160), (4, 20076080), (5, 16060864), (8, 10038040), (10, 8030432), (16, 5019020), (20, 4015216), (32, 2509510), (40, 2007608), (64, 1254755), (80, 1003804), (160, 501902), (320, 250951)]