40525640

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2287}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 91428480

約数和(自身を除く): 50902840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 2287, 3544, 4430, 4574, 8860, 9148, 11435, 17720, 18296, 22870, 45740, 91480, 1013141, 2026282, 4052564, 5065705, 8105128, 10131410, 20262820, 40525640]

約数ペア:

[(1, 40525640), (2, 20262820), (4, 10131410), (5, 8105128), (8, 5065705), (10, 4052564), (20, 2026282), (40, 1013141), (443, 91480), (886, 45740), (1772, 22870), (2215, 18296), (2287, 17720), (3544, 11435), (4430, 9148), (4574, 8860)]