74181020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86257}}^1$

素因数の和:86309

約数の個数: 24

約数和(自身を含む): 159404784

約数和(自身を除く): 85223764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 86257, 172514, 345028, 431285, 862570, 1725140, 3709051, 7418102, 14836204, 18545255, 37090510, 74181020]

約数ペア:

[(1, 74181020), (2, 37090510), (4, 18545255), (5, 14836204), (10, 7418102), (20, 3709051), (43, 1725140), (86, 862570), (172, 431285), (215, 345028), (430, 172514), (860, 86257)]