87771820

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{19333}}^1$

素因数の和:19569

約数の個数: 24

約数和(自身を含む): 185142384

約数和(自身を除く): 97370564

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 19333, 38666, 77332, 96665, 193330, 386660, 4388591, 8777182, 17554364, 21942955, 43885910, 87771820]

約数ペア:

[(1, 87771820), (2, 43885910), (4, 21942955), (5, 17554364), (10, 8777182), (20, 4388591), (227, 386660), (454, 193330), (908, 96665), (1135, 77332), (2270, 38666), (4540, 19333)]