2013951280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2288581}}^1$

素因数の和:2288605

約数の個数: 40

約数和(自身を含む): 5108115024

約数和(自身を除く): 3094163744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2288581, 4577162, 9154324, 11442905, 18308648, 22885810, 25174391, 36617296, 45771620, 50348782, 91543240, 100697564, 125871955, 183086480, 201395128, 251743910, 402790256, 503487820, 1006975640, 2013951280]

約数ペア:

[(1, 2013951280), (2, 1006975640), (4, 503487820), (5, 402790256), (8, 251743910), (10, 201395128), (11, 183086480), (16, 125871955), (20, 100697564), (22, 91543240), (40, 50348782), (44, 45771620), (55, 36617296), (80, 25174391), (88, 22885810), (110, 18308648), (176, 11442905), (220, 9154324), (440, 4577162), (880, 2288581)]