788671060

素因数分解:

$2^2\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{9851}}^1$

素因数の和:13863

約数の個数: 24

約数和(自身を含む): 1656791136

約数和(自身を除く): 868120076

約数列:

[1, 2, 4, 5, 10, 20, 4003, 8006, 9851, 16012, 19702, 20015, 39404, 40030, 49255, 80060, 98510, 197020, 39433553, 78867106, 157734212, 197167765, 394335530, 788671060]

約数ペア:

[(1, 788671060), (2, 394335530), (4, 197167765), (5, 157734212), (10, 78867106), (20, 39433553), (4003, 197020), (8006, 98510), (9851, 80060), (16012, 49255), (19702, 40030), (20015, 39404)]