40659680

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1277}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 96616800

約数和(自身を除く): 55957120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1277, 1592, 1990, 2554, 3184, 3980, 5108, 6368, 6385, 7960, 10216, 12770, 15920, 20432, 25540, 31840, 40864, 51080, 102160, 204320, 254123, 508246, 1016492, 1270615, 2032984, 2541230, 4065968, 5082460, 8131936, 10164920, 20329840, 40659680]

約数ペア:

[(1, 40659680), (2, 20329840), (4, 10164920), (5, 8131936), (8, 5082460), (10, 4065968), (16, 2541230), (20, 2032984), (32, 1270615), (40, 1016492), (80, 508246), (160, 254123), (199, 204320), (398, 102160), (796, 51080), (995, 40864), (1277, 31840), (1592, 25540), (1990, 20432), (2554, 15920), (3184, 12770), (3980, 10216), (5108, 7960), (6368, 6385)]