71637140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83299}}^1$

素因数の和:83351

約数の個数: 24

約数和(自身を含む): 153938400

約数和(自身を除く): 82301260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 83299, 166598, 333196, 416495, 832990, 1665980, 3581857, 7163714, 14327428, 17909285, 35818570, 71637140]

約数ペア:

[(1, 71637140), (2, 35818570), (4, 17909285), (5, 14327428), (10, 7163714), (20, 3581857), (43, 1665980), (86, 832990), (172, 416495), (215, 333196), (430, 166598), (860, 83299)]