861580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 1888992

約数和(自身を除く): 1027412

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1873, 3746, 7492, 9365, 18730, 37460, 43079, 86158, 172316, 215395, 430790, 861580]

約数ペア:

[(1, 861580), (2, 430790), (4, 215395), (5, 172316), (10, 86158), (20, 43079), (23, 37460), (46, 18730), (92, 9365), (115, 7492), (230, 3746), (460, 1873)]