61532140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71549}}^1$

素因数の和:71601

約数の個数: 24

約数和(自身を含む): 132224400

約数和(自身を除く): 70692260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 71549, 143098, 286196, 357745, 715490, 1430980, 3076607, 6153214, 12306428, 15383035, 30766070, 61532140]

約数ペア:

[(1, 61532140), (2, 30766070), (4, 15383035), (5, 12306428), (10, 6153214), (20, 3076607), (43, 1430980), (86, 715490), (172, 357745), (215, 286196), (430, 143098), (860, 71549)]