51285820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{38273}}^1$

素因数の和:38349

約数の個数: 24

約数和(自身を含む): 109310544

約数和(自身を除く): 58024724

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 38273, 76546, 153092, 191365, 382730, 765460, 2564291, 5128582, 10257164, 12821455, 25642910, 51285820]

約数ペア:

[(1, 51285820), (2, 25642910), (4, 12821455), (5, 10257164), (10, 5128582), (20, 2564291), (67, 765460), (134, 382730), (268, 191365), (335, 153092), (670, 76546), (1340, 38273)]