137248640

素因数分解:

$2^7\times 5^1\times {\mathrm{214451}}^1$

素因数の和:214470

約数の個数: 32

約数和(自身を含む): 328111560

約数和(自身を除く): 190862920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 214451, 428902, 857804, 1072255, 1715608, 2144510, 3431216, 4289020, 6862432, 8578040, 13724864, 17156080, 27449728, 34312160, 68624320, 137248640]

約数ペア:

[(1, 137248640), (2, 68624320), (4, 34312160), (5, 27449728), (8, 17156080), (10, 13724864), (16, 8578040), (20, 6862432), (32, 4289020), (40, 3431216), (64, 2144510), (80, 1715608), (128, 1072255), (160, 857804), (320, 428902), (640, 214451)]