38311640

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1181}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 86380560

約数和(自身を除く): 48068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1181, 1622, 2362, 3244, 4055, 4724, 5905, 6488, 8110, 9448, 11810, 16220, 23620, 32440, 47240, 957791, 1915582, 3831164, 4788955, 7662328, 9577910, 19155820, 38311640]

約数ペア:

[(1, 38311640), (2, 19155820), (4, 9577910), (5, 7662328), (8, 4788955), (10, 3831164), (20, 1915582), (40, 957791), (811, 47240), (1181, 32440), (1622, 23620), (2362, 16220), (3244, 11810), (4055, 9448), (4724, 8110), (5905, 6488)]