61938640

素因数分解:

$2^4\times 5^1\times {\mathrm{774233}}^1$

素因数の和:774246

約数の個数: 20

約数和(自身を含む): 144007524

約数和(自身を除く): 82068884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 774233, 1548466, 3096932, 3871165, 6193864, 7742330, 12387728, 15484660, 30969320, 61938640]

約数ペア:

[(1, 61938640), (2, 30969320), (4, 15484660), (5, 12387728), (8, 7742330), (10, 6193864), (16, 3871165), (20, 3096932), (40, 1548466), (80, 774233)]