8909960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7721

約数の個数: 32

約数和(自身を含む): 20741400

約数和(自身を除く): 11831440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 7681, 15362, 30724, 38405, 61448, 76810, 153620, 222749, 307240, 445498, 890996, 1113745, 1781992, 2227490, 4454980, 8909960]

約数ペア:

[(1, 8909960), (2, 4454980), (4, 2227490), (5, 1781992), (8, 1113745), (10, 890996), (20, 445498), (29, 307240), (40, 222749), (58, 153620), (116, 76810), (145, 61448), (232, 38405), (290, 30724), (580, 15362), (1160, 7681)]