28430320

素因数分解:

$2^4\times 5^1\times {\mathrm{355379}}^1$

素因数の和:355392

約数の個数: 20

約数和(自身を含む): 66100680

約数和(自身を除く): 37670360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355379, 710758, 1421516, 1776895, 2843032, 3553790, 5686064, 7107580, 14215160, 28430320]

約数ペア:

[(1, 28430320), (2, 14215160), (4, 7107580), (5, 5686064), (8, 3553790), (10, 2843032), (16, 1776895), (20, 1421516), (40, 710758), (80, 355379)]