7187420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4637

約数の個数: 24

約数和(自身を含む): 15288000

約数和(自身を除く): 8100580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4549, 9098, 18196, 22745, 45490, 90980, 359371, 718742, 1437484, 1796855, 3593710, 7187420]

約数ペア:

[(1, 7187420), (2, 3593710), (4, 1796855), (5, 1437484), (10, 718742), (20, 359371), (79, 90980), (158, 45490), (316, 22745), (395, 18196), (790, 9098), (1580, 4549)]