85242460

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2713}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 179189136

約数和(自身を除く): 93946676

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2713, 3142, 5426, 6284, 7855, 10852, 13565, 15710, 27130, 31420, 54260, 4262123, 8524246, 17048492, 21310615, 42621230, 85242460]

約数ペア:

[(1, 85242460), (2, 42621230), (4, 21310615), (5, 17048492), (10, 8524246), (20, 4262123), (1571, 54260), (2713, 31420), (3142, 27130), (5426, 15710), (6284, 13565), (7855, 10852)]