9988960

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 23814000

約数和(自身を除く): 13825040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 419, 596, 745, 838, 1192, 1490, 1676, 2095, 2384, 2980, 3352, 4190, 4768, 5960, 6704, 8380, 11920, 13408, 16760, 23840, 33520, 62431, 67040, 124862, 249724, 312155, 499448, 624310, 998896, 1248620, 1997792, 2497240, 4994480, 9988960]

約数ペア:

[(1, 9988960), (2, 4994480), (4, 2497240), (5, 1997792), (8, 1248620), (10, 998896), (16, 624310), (20, 499448), (32, 312155), (40, 249724), (80, 124862), (149, 67040), (160, 62431), (298, 33520), (419, 23840), (596, 16760), (745, 13408), (838, 11920), (1192, 8380), (1490, 6704), (1676, 5960), (2095, 4768), (2384, 4190), (2980, 3352)]