6642620

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1669}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 14028000

約数和(自身を除く): 7385380

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1669, 1990, 3338, 3980, 6676, 8345, 16690, 33380, 332131, 664262, 1328524, 1660655, 3321310, 6642620]

約数ペア:

[(1, 6642620), (2, 3321310), (4, 1660655), (5, 1328524), (10, 664262), (20, 332131), (199, 33380), (398, 16690), (796, 8345), (995, 6676), (1669, 3980), (1990, 3338)]