8410400

素因数分解:

$2^5\times 5^2\times {\mathrm{10513}}^1$

素因数の和:10533

約数の個数: 36

約数和(自身を含む): 20533842

約数和(自身を除く): 12123442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 10513, 21026, 42052, 52565, 84104, 105130, 168208, 210260, 262825, 336416, 420520, 525650, 841040, 1051300, 1682080, 2102600, 4205200, 8410400]

約数ペア:

[(1, 8410400), (2, 4205200), (4, 2102600), (5, 1682080), (8, 1051300), (10, 841040), (16, 525650), (20, 420520), (25, 336416), (32, 262825), (40, 210260), (50, 168208), (80, 105130), (100, 84104), (160, 52565), (200, 42052), (400, 21026), (800, 10513)]