2695285640

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{31181}}^1$

素因数の和:33353

約数の個数: 32

約数和(自身を含む): 6067393560

約数和(自身を除く): 3372107920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 21610, 31181, 43220, 62362, 86440, 124724, 155905, 249448, 311810, 623620, 1247240, 67382141, 134764282, 269528564, 336910705, 539057128, 673821410, 1347642820, 2695285640]

約数ペア:

[(1, 2695285640), (2, 1347642820), (4, 673821410), (5, 539057128), (8, 336910705), (10, 269528564), (20, 134764282), (40, 67382141), (2161, 1247240), (4322, 623620), (8644, 311810), (10805, 249448), (17288, 155905), (21610, 124724), (31181, 86440), (43220, 62362)]