843285880

素因数分解:

$2^3\times 5^1\times {\mathrm{21082147}}^1$

素因数の和:21082158

約数の個数: 16

約数和(自身を含む): 1897393320

約数和(自身を除く): 1054107440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21082147, 42164294, 84328588, 105410735, 168657176, 210821470, 421642940, 843285880]

約数ペア:

[(1, 843285880), (2, 421642940), (4, 210821470), (5, 168657176), (8, 105410735), (10, 84328588), (20, 42164294), (40, 21082147)]