85651820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48119}}^1$

素因数の和:48217

約数の個数: 24

約数和(自身を含む): 181893600

約数和(自身を除く): 96241780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 48119, 96238, 192476, 240595, 481190, 962380, 4282591, 8565182, 17130364, 21412955, 42825910, 85651820]

約数ペア:

[(1, 85651820), (2, 42825910), (4, 21412955), (5, 17130364), (10, 8565182), (20, 4282591), (89, 962380), (178, 481190), (356, 240595), (445, 192476), (890, 96238), (1780, 48119)]