7764980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 16396800

約数和(自身を除く): 8631820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1951, 1990, 3902, 3980, 7804, 9755, 19510, 39020, 388249, 776498, 1552996, 1941245, 3882490, 7764980]

約数ペア:

[(1, 7764980), (2, 3882490), (4, 1941245), (5, 1552996), (10, 776498), (20, 388249), (199, 39020), (398, 19510), (796, 9755), (995, 7804), (1951, 3980), (1990, 3902)]