196139620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{124139}}^1$

素因数の和:124227

約数の個数: 24

約数和(自身を含む): 417110400

約数和(自身を除く): 220970780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 124139, 248278, 496556, 620695, 1241390, 2482780, 9806981, 19613962, 39227924, 49034905, 98069810, 196139620]

約数ペア:

[(1, 196139620), (2, 98069810), (4, 49034905), (5, 39227924), (10, 19613962), (20, 9806981), (79, 2482780), (158, 1241390), (316, 620695), (395, 496556), (790, 248278), (1580, 124139)]