87236360

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1999}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 196560000

約数和(自身を除く): 109323640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1999, 2182, 3998, 4364, 5455, 7996, 8728, 9995, 10910, 15992, 19990, 21820, 39980, 43640, 79960, 2180909, 4361818, 8723636, 10904545, 17447272, 21809090, 43618180, 87236360]

約数ペア:

[(1, 87236360), (2, 43618180), (4, 21809090), (5, 17447272), (8, 10904545), (10, 8723636), (20, 4361818), (40, 2180909), (1091, 79960), (1999, 43640), (2182, 39980), (3998, 21820), (4364, 19990), (5455, 15992), (7996, 10910), (8728, 9995)]