801778840

素因数分解:

$2^3\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{7951}}^1$

素因数の和:10483

約数の個数: 32

約数和(自身を含む): 1804944960

約数和(自身を除く): 1003166120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2521, 5042, 7951, 10084, 12605, 15902, 20168, 25210, 31804, 39755, 50420, 63608, 79510, 100840, 159020, 318040, 20044471, 40088942, 80177884, 100222355, 160355768, 200444710, 400889420, 801778840]

約数ペア:

[(1, 801778840), (2, 400889420), (4, 200444710), (5, 160355768), (8, 100222355), (10, 80177884), (20, 40088942), (40, 20044471), (2521, 318040), (5042, 159020), (7951, 100840), (10084, 79510), (12605, 63608), (15902, 50420), (20168, 39755), (25210, 31804)]