80623220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98321}}^1$

素因数の和:98371

約数の個数: 24

約数和(自身を含む): 173440008

約数和(自身を除く): 92816788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98321, 196642, 393284, 491605, 983210, 1966420, 4031161, 8062322, 16124644, 20155805, 40311610, 80623220]

約数ペア:

[(1, 80623220), (2, 40311610), (4, 20155805), (5, 16124644), (10, 8062322), (20, 4031161), (41, 1966420), (82, 983210), (164, 491605), (205, 393284), (410, 196642), (820, 98321)]