87042820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{29209}}^1$

素因数の和:29367

約数の個数: 24

約数和(自身を含む): 184023000

約数和(自身を除く): 96980180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 29209, 58418, 116836, 146045, 292090, 584180, 4352141, 8704282, 17408564, 21760705, 43521410, 87042820]

約数ペア:

[(1, 87042820), (2, 43521410), (4, 21760705), (5, 17408564), (10, 8704282), (20, 4352141), (149, 584180), (298, 292090), (596, 146045), (745, 116836), (1490, 58418), (2980, 29209)]