2586784180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1821679}}^1$

素因数の和:1821759

約数の個数: 24

約数和(自身を含む): 5508760320

約数和(自身を除く): 2921976140

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1821679, 3643358, 7286716, 9108395, 18216790, 36433580, 129339209, 258678418, 517356836, 646696045, 1293392090, 2586784180]

約数ペア:

[(1, 2586784180), (2, 1293392090), (4, 646696045), (5, 517356836), (10, 258678418), (20, 129339209), (71, 36433580), (142, 18216790), (284, 9108395), (355, 7286716), (710, 3643358), (1420, 1821679)]