640253616

素因数分解:

$2^4\times 3^1\times {\mathrm{13338617}}^1$

素因数の和:13338628

約数の個数: 20

約数和(自身を含む): 1653988632

約数和(自身を除く): 1013735016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13338617, 26677234, 40015851, 53354468, 80031702, 106708936, 160063404, 213417872, 320126808, 640253616]

約数ペア:

[(1, 640253616), (2, 320126808), (3, 213417872), (4, 160063404), (6, 106708936), (8, 80031702), (12, 53354468), (16, 40015851), (24, 26677234), (48, 13338617)]