39877140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664619}}^1$

素因数の和:664631

約数の個数: 24

約数和(自身を含む): 111656160

約数和(自身を除く): 71779020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664619, 1329238, 1993857, 2658476, 3323095, 3987714, 6646190, 7975428, 9969285, 13292380, 19938570, 39877140]

約数ペア:

[(1, 39877140), (2, 19938570), (3, 13292380), (4, 9969285), (5, 7975428), (6, 6646190), (10, 3987714), (12, 3323095), (15, 2658476), (20, 1993857), (30, 1329238), (60, 664619)]