2802640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 6649128

約数和(自身を除く): 3846488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 661, 848, 1060, 1322, 2120, 2644, 3305, 4240, 5288, 6610, 10576, 13220, 26440, 35033, 52880, 70066, 140132, 175165, 280264, 350330, 560528, 700660, 1401320, 2802640]

約数ペア:

[(1, 2802640), (2, 1401320), (4, 700660), (5, 560528), (8, 350330), (10, 280264), (16, 175165), (20, 140132), (40, 70066), (53, 52880), (80, 35033), (106, 26440), (212, 13220), (265, 10576), (424, 6610), (530, 5288), (661, 4240), (848, 3305), (1060, 2644), (1322, 2120)]