72530680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42169}}^1$

素因数の和:42223

約数の個数: 32

約数和(自身を含む): 166993200

約数和(自身を除く): 94462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 42169, 84338, 168676, 210845, 337352, 421690, 843380, 1686760, 1813267, 3626534, 7253068, 9066335, 14506136, 18132670, 36265340, 72530680]

約数ペア:

[(1, 72530680), (2, 36265340), (4, 18132670), (5, 14506136), (8, 9066335), (10, 7253068), (20, 3626534), (40, 1813267), (43, 1686760), (86, 843380), (172, 421690), (215, 337352), (344, 210845), (430, 168676), (860, 84338), (1720, 42169)]