80644340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576031}}^1$

素因数の和:576047

約数の個数: 24

約数和(自身を含む): 193546752

約数和(自身を除く): 112902412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576031, 1152062, 2304124, 2880155, 4032217, 5760310, 8064434, 11520620, 16128868, 20161085, 40322170, 80644340]

約数ペア:

[(1, 80644340), (2, 40322170), (4, 20161085), (5, 16128868), (7, 11520620), (10, 8064434), (14, 5760310), (20, 4032217), (28, 2880155), (35, 2304124), (70, 1152062), (140, 576031)]