3984380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 8848224

約数和(自身を除く): 4863844

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 113, 164, 172, 205, 215, 226, 410, 430, 452, 565, 820, 860, 1130, 1763, 2260, 3526, 4633, 4859, 7052, 8815, 9266, 9718, 17630, 18532, 19436, 23165, 24295, 35260, 46330, 48590, 92660, 97180, 199219, 398438, 796876, 996095, 1992190, 3984380]

約数ペア:

[(1, 3984380), (2, 1992190), (4, 996095), (5, 796876), (10, 398438), (20, 199219), (41, 97180), (43, 92660), (82, 48590), (86, 46330), (113, 35260), (164, 24295), (172, 23165), (205, 19436), (215, 18532), (226, 17630), (410, 9718), (430, 9266), (452, 8815), (565, 7052), (820, 4859), (860, 4633), (1130, 3526), (1763, 2260)]