77794160

素因数分解:

$2^4\times 5^1\times {\mathrm{972427}}^1$

素因数の和:972440

約数の個数: 20

約数和(自身を含む): 180871608

約数和(自身を除く): 103077448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 972427, 1944854, 3889708, 4862135, 7779416, 9724270, 15558832, 19448540, 38897080, 77794160]

約数ペア:

[(1, 77794160), (2, 38897080), (4, 19448540), (5, 15558832), (8, 9724270), (10, 7779416), (16, 4862135), (20, 3889708), (40, 1944854), (80, 972427)]