80461220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574723}}^1$

素因数の和:574739

約数の個数: 24

約数和(自身を含む): 193107264

約数和(自身を除く): 112646044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574723, 1149446, 2298892, 2873615, 4023061, 5747230, 8046122, 11494460, 16092244, 20115305, 40230610, 80461220]

約数ペア:

[(1, 80461220), (2, 40230610), (4, 20115305), (5, 16092244), (7, 11494460), (10, 8046122), (14, 5747230), (20, 4023061), (28, 2873615), (35, 2298892), (70, 1149446), (140, 574723)]