90725620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{110641}}^1$

素因数の和:110691

約数の個数: 24

約数和(自身を含む): 195172488

約数和(自身を除く): 104446868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 110641, 221282, 442564, 553205, 1106410, 2212820, 4536281, 9072562, 18145124, 22681405, 45362810, 90725620]

約数ペア:

[(1, 90725620), (2, 45362810), (4, 22681405), (5, 18145124), (10, 9072562), (20, 4536281), (41, 2212820), (82, 1106410), (164, 553205), (205, 442564), (410, 221282), (820, 110641)]