8840420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10781}}^1$

素因数の和:10831

約数の個数: 24

約数和(自身を含む): 19019448

約数和(自身を除く): 10179028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10781, 21562, 43124, 53905, 107810, 215620, 442021, 884042, 1768084, 2210105, 4420210, 8840420]

約数ペア:

[(1, 8840420), (2, 4420210), (4, 2210105), (5, 1768084), (10, 884042), (20, 442021), (41, 215620), (82, 107810), (164, 53905), (205, 43124), (410, 21562), (820, 10781)]