8961620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6311}}^1$

素因数の和:6391

約数の個数: 24

約数和(自身を含む): 19087488

約数和(自身を除く): 10125868

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6311, 12622, 25244, 31555, 63110, 126220, 448081, 896162, 1792324, 2240405, 4480810, 8961620]

約数ペア:

[(1, 8961620), (2, 4480810), (4, 2240405), (5, 1792324), (10, 896162), (20, 448081), (71, 126220), (142, 63110), (284, 31555), (355, 25244), (710, 12622), (1420, 6311)]