51951280

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2311}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 121269024

約数和(自身を除く): 69317744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2311, 2810, 4496, 4622, 5620, 9244, 11240, 11555, 18488, 22480, 23110, 36976, 46220, 92440, 184880, 649391, 1298782, 2597564, 3246955, 5195128, 6493910, 10390256, 12987820, 25975640, 51951280]

約数ペア:

[(1, 51951280), (2, 25975640), (4, 12987820), (5, 10390256), (8, 6493910), (10, 5195128), (16, 3246955), (20, 2597564), (40, 1298782), (80, 649391), (281, 184880), (562, 92440), (1124, 46220), (1405, 36976), (2248, 23110), (2311, 22480), (2810, 18488), (4496, 11555), (4622, 11240), (5620, 9244)]