27488180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31963}}^1$

素因数の和:32015

約数の個数: 24

約数和(自身を含む): 59069472

約数和(自身を除く): 31581292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 31963, 63926, 127852, 159815, 319630, 639260, 1374409, 2748818, 5497636, 6872045, 13744090, 27488180]

約数ペア:

[(1, 27488180), (2, 13744090), (4, 6872045), (5, 5497636), (10, 2748818), (20, 1374409), (43, 639260), (86, 319630), (172, 159815), (215, 127852), (430, 63926), (860, 31963)]