39405760

素因数分解:

$2^6\times 5^1\times {\mathrm{123143}}^1$

素因数の和:123160

約数の個数: 28

約数和(自身を含む): 93835728

約数和(自身を除く): 54429968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 123143, 246286, 492572, 615715, 985144, 1231430, 1970288, 2462860, 3940576, 4925720, 7881152, 9851440, 19702880, 39405760]

約数ペア:

[(1, 39405760), (2, 19702880), (4, 9851440), (5, 7881152), (8, 4925720), (10, 3940576), (16, 2462860), (20, 1970288), (32, 1231430), (40, 985144), (64, 615715), (80, 492572), (160, 246286), (320, 123143)]