2840630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21871

約数の個数: 16

約数和(自身を含む): 5506704

約数和(自身を除く): 2666074

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21851, 43702, 109255, 218510, 284063, 568126, 1420315, 2840630]

約数ペア:

[(1, 2840630), (2, 1420315), (5, 568126), (10, 284063), (13, 218510), (26, 109255), (65, 43702), (130, 21851)]