47205140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11981}}^1$

素因数の和:12187

約数の個数: 24

約数和(自身を含む): 99642312

約数和(自身を除く): 52437172

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 11981, 23962, 47924, 59905, 119810, 239620, 2360257, 4720514, 9441028, 11801285, 23602570, 47205140]

約数ペア:

[(1, 47205140), (2, 23602570), (4, 11801285), (5, 9441028), (10, 4720514), (20, 2360257), (197, 239620), (394, 119810), (788, 59905), (985, 47924), (1970, 23962), (3940, 11981)]