408173620

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{15907}}^1$

素因数の和:17199

約数の個数: 24

約数和(自身を含む): 857886624

約数和(自身を除く): 449713004

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 5132, 6415, 12830, 15907, 25660, 31814, 63628, 79535, 159070, 318140, 20408681, 40817362, 81634724, 102043405, 204086810, 408173620]

約数ペア:

[(1, 408173620), (2, 204086810), (4, 102043405), (5, 81634724), (10, 40817362), (20, 20408681), (1283, 318140), (2566, 159070), (5132, 79535), (6415, 63628), (12830, 31814), (15907, 25660)]