18182720

素因数分解:

$2^6\times 5^1\times {\mathrm{56821}}^1$

素因数の和:56838

約数の個数: 28

約数和(自身を含む): 43298364

約数和(自身を除く): 25115644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56821, 113642, 227284, 284105, 454568, 568210, 909136, 1136420, 1818272, 2272840, 3636544, 4545680, 9091360, 18182720]

約数ペア:

[(1, 18182720), (2, 9091360), (4, 4545680), (5, 3636544), (8, 2272840), (10, 1818272), (16, 1136420), (20, 909136), (32, 568210), (40, 454568), (64, 284105), (80, 227284), (160, 113642), (320, 56821)]