38835880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 91016640

約数和(自身を除く): 52180760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 337, 344, 430, 536, 670, 674, 860, 1340, 1348, 1685, 1720, 2680, 2696, 2881, 3370, 5762, 6740, 11524, 13480, 14405, 14491, 22579, 23048, 28810, 28982, 45158, 57620, 57964, 72455, 90316, 112895, 115240, 115928, 144910, 180632, 225790, 289820, 451580, 579640, 903160, 970897, 1941794, 3883588, 4854485, 7767176, 9708970, 19417940, 38835880]

約数ペア:

[(1, 38835880), (2, 19417940), (4, 9708970), (5, 7767176), (8, 4854485), (10, 3883588), (20, 1941794), (40, 970897), (43, 903160), (67, 579640), (86, 451580), (134, 289820), (172, 225790), (215, 180632), (268, 144910), (335, 115928), (337, 115240), (344, 112895), (430, 90316), (536, 72455), (670, 57964), (674, 57620), (860, 45158), (1340, 28982), (1348, 28810), (1685, 23048), (1720, 22579), (2680, 14491), (2696, 14405), (2881, 13480), (3370, 11524), (5762, 6740)]