9915580

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1381}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 20895840

約数和(自身を除く): 10980260

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1381, 1436, 1795, 2762, 3590, 5524, 6905, 7180, 13810, 27620, 495779, 991558, 1983116, 2478895, 4957790, 9915580]

約数ペア:

[(1, 9915580), (2, 4957790), (4, 2478895), (5, 1983116), (10, 991558), (20, 495779), (359, 27620), (718, 13810), (1381, 7180), (1436, 6905), (1795, 5524), (2762, 3590)]