42720830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3181}}^1$

素因数の和:3284

約数の個数: 32

約数和(自身を含む): 82477440

約数和(自身を除く): 39756610

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 3181, 6362, 6715, 13430, 15905, 31810, 54077, 108154, 251299, 270385, 502598, 540770, 1256495, 2512990, 4272083, 8544166, 21360415, 42720830]

約数ペア:

[(1, 42720830), (2, 21360415), (5, 8544166), (10, 4272083), (17, 2512990), (34, 1256495), (79, 540770), (85, 502598), (158, 270385), (170, 251299), (395, 108154), (790, 54077), (1343, 31810), (2686, 15905), (3181, 13430), (6362, 6715)]