3880880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 9114000

約数和(自身を除く): 5233120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 349, 556, 695, 698, 1112, 1390, 1396, 1745, 2224, 2780, 2792, 3490, 5560, 5584, 6980, 11120, 13960, 27920, 48511, 97022, 194044, 242555, 388088, 485110, 776176, 970220, 1940440, 3880880]

約数ペア:

[(1, 3880880), (2, 1940440), (4, 970220), (5, 776176), (8, 485110), (10, 388088), (16, 242555), (20, 194044), (40, 97022), (80, 48511), (139, 27920), (278, 13960), (349, 11120), (556, 6980), (695, 5584), (698, 5560), (1112, 3490), (1390, 2792), (1396, 2780), (1745, 2224)]