10280440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 23851800

約数和(自身を除く): 13571360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 278, 344, 430, 556, 695, 860, 1112, 1390, 1720, 1849, 2780, 3698, 5560, 5977, 7396, 9245, 11954, 14792, 18490, 23908, 29885, 36980, 47816, 59770, 73960, 119540, 239080, 257011, 514022, 1028044, 1285055, 2056088, 2570110, 5140220, 10280440]

約数ペア:

[(1, 10280440), (2, 5140220), (4, 2570110), (5, 2056088), (8, 1285055), (10, 1028044), (20, 514022), (40, 257011), (43, 239080), (86, 119540), (139, 73960), (172, 59770), (215, 47816), (278, 36980), (344, 29885), (430, 23908), (556, 18490), (695, 14792), (860, 11954), (1112, 9245), (1390, 7396), (1720, 5977), (1849, 5560), (2780, 3698)]