122578520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1823}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 282847680

約数和(自身を除く): 160269160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 1823, 3362, 3646, 6724, 7292, 8405, 9115, 13448, 14584, 16810, 18230, 33620, 36460, 67240, 72920, 74743, 149486, 298972, 373715, 597944, 747430, 1494860, 2989720, 3064463, 6128926, 12257852, 15322315, 24515704, 30644630, 61289260, 122578520]

約数ペア:

[(1, 122578520), (2, 61289260), (4, 30644630), (5, 24515704), (8, 15322315), (10, 12257852), (20, 6128926), (40, 3064463), (41, 2989720), (82, 1494860), (164, 747430), (205, 597944), (328, 373715), (410, 298972), (820, 149486), (1640, 74743), (1681, 72920), (1823, 67240), (3362, 36460), (3646, 33620), (6724, 18230), (7292, 16810), (8405, 14584), (9115, 13448)]