40619380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 89631360

約数和(自身を除く): 49011980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 389, 454, 460, 778, 908, 1135, 1556, 1945, 2270, 3890, 4540, 5221, 7780, 8947, 10442, 17894, 20884, 26105, 35788, 44735, 52210, 88303, 89470, 104420, 176606, 178940, 353212, 441515, 883030, 1766060, 2030969, 4061938, 8123876, 10154845, 20309690, 40619380]

約数ペア:

[(1, 40619380), (2, 20309690), (4, 10154845), (5, 8123876), (10, 4061938), (20, 2030969), (23, 1766060), (46, 883030), (92, 441515), (115, 353212), (227, 178940), (230, 176606), (389, 104420), (454, 89470), (460, 88303), (778, 52210), (908, 44735), (1135, 35788), (1556, 26105), (1945, 20884), (2270, 17894), (3890, 10442), (4540, 8947), (5221, 7780)]