4911280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5581}}^1$

素因数の和:5605

約数の個数: 40

約数和(自身を含む): 12459024

約数和(自身を除く): 7547744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 5581, 11162, 22324, 27905, 44648, 55810, 61391, 89296, 111620, 122782, 223240, 245564, 306955, 446480, 491128, 613910, 982256, 1227820, 2455640, 4911280]

約数ペア:

[(1, 4911280), (2, 2455640), (4, 1227820), (5, 982256), (8, 613910), (10, 491128), (11, 446480), (16, 306955), (20, 245564), (22, 223240), (40, 122782), (44, 111620), (55, 89296), (80, 61391), (88, 55810), (110, 44648), (176, 27905), (220, 22324), (440, 11162), (880, 5581)]