25621060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18043}}^1$

素因数の和:18123

約数の個数: 24

約数和(自身を含む): 54565056

約数和(自身を除く): 28943996

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18043, 36086, 72172, 90215, 180430, 360860, 1281053, 2562106, 5124212, 6405265, 12810530, 25621060]

約数ペア:

[(1, 25621060), (2, 12810530), (4, 6405265), (5, 5124212), (10, 2562106), (20, 1281053), (71, 360860), (142, 180430), (284, 90215), (355, 72172), (710, 36086), (1420, 18043)]