5280871640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12001981}}^1$

素因数の和:12002003

約数の個数: 32

約数和(自身を含む): 12962140560

約数和(自身を除く): 7681268920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 12001981, 24003962, 48007924, 60009905, 96015848, 120019810, 132021791, 240039620, 264043582, 480079240, 528087164, 660108955, 1056174328, 1320217910, 2640435820, 5280871640]

約数ペア:

[(1, 5280871640), (2, 2640435820), (4, 1320217910), (5, 1056174328), (8, 660108955), (10, 528087164), (11, 480079240), (20, 264043582), (22, 240039620), (40, 132021791), (44, 120019810), (55, 96015848), (88, 60009905), (110, 48007924), (220, 24003962), (440, 12001981)]