40646990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{99139}}^1$

素因数の和:99187

約数の個数: 16

約数和(自身を含む): 74949840

約数和(自身を除く): 34302850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 99139, 198278, 495695, 991390, 4064699, 8129398, 20323495, 40646990]

約数ペア:

[(1, 40646990), (2, 20323495), (5, 8129398), (10, 4064699), (41, 991390), (82, 495695), (205, 198278), (410, 99139)]