2895640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6581}}^1$

素因数の和:6603

約数の個数: 32

約数和(自身を含む): 7108560

約数和(自身を除く): 4212920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6581, 13162, 26324, 32905, 52648, 65810, 72391, 131620, 144782, 263240, 289564, 361955, 579128, 723910, 1447820, 2895640]

約数ペア:

[(1, 2895640), (2, 1447820), (4, 723910), (5, 579128), (8, 361955), (10, 289564), (11, 263240), (20, 144782), (22, 131620), (40, 72391), (44, 65810), (55, 52648), (88, 32905), (110, 26324), (220, 13162), (440, 6581)]