77809540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{34429}}^1$

素因数の和:34551

約数の個数: 24

約数和(自身を含む): 164850840

約数和(自身を除く): 87041300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 34429, 68858, 137716, 172145, 344290, 688580, 3890477, 7780954, 15561908, 19452385, 38904770, 77809540]

約数ペア:

[(1, 77809540), (2, 38904770), (4, 19452385), (5, 15561908), (10, 7780954), (20, 3890477), (113, 688580), (226, 344290), (452, 172145), (565, 137716), (1130, 68858), (2260, 34429)]