38386960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11159}}^1$

素因数の和:11215

約数の個数: 40

約数和(自身を含む): 91333440

約数和(自身を除く): 52946480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11159, 22318, 44636, 55795, 89272, 111590, 178544, 223180, 446360, 479837, 892720, 959674, 1919348, 2399185, 3838696, 4798370, 7677392, 9596740, 19193480, 38386960]

約数ペア:

[(1, 38386960), (2, 19193480), (4, 9596740), (5, 7677392), (8, 4798370), (10, 3838696), (16, 2399185), (20, 1919348), (40, 959674), (43, 892720), (80, 479837), (86, 446360), (172, 223180), (215, 178544), (344, 111590), (430, 89272), (688, 55795), (860, 44636), (1720, 22318), (3440, 11159)]