28424800

素因数分解:

$2^5\times 5^2\times {\mathrm{35531}}^1$

素因数の和:35551

約数の個数: 36

約数和(自身を含む): 69393996

約数和(自身を除く): 40969196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35531, 71062, 142124, 177655, 284248, 355310, 568496, 710620, 888275, 1136992, 1421240, 1776550, 2842480, 3553100, 5684960, 7106200, 14212400, 28424800]

約数ペア:

[(1, 28424800), (2, 14212400), (4, 7106200), (5, 5684960), (8, 3553100), (10, 2842480), (16, 1776550), (20, 1421240), (25, 1136992), (32, 888275), (40, 710620), (50, 568496), (80, 355310), (100, 284248), (160, 177655), (200, 142124), (400, 71062), (800, 35531)]