2084080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 4910400

約数和(自身を除く): 2826320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 239, 436, 478, 545, 872, 956, 1090, 1195, 1744, 1912, 2180, 2390, 3824, 4360, 4780, 8720, 9560, 19120, 26051, 52102, 104204, 130255, 208408, 260510, 416816, 521020, 1042040, 2084080]

約数ペア:

[(1, 2084080), (2, 1042040), (4, 521020), (5, 416816), (8, 260510), (10, 208408), (16, 130255), (20, 104204), (40, 52102), (80, 26051), (109, 19120), (218, 9560), (239, 8720), (436, 4780), (478, 4360), (545, 3824), (872, 2390), (956, 2180), (1090, 1912), (1195, 1744)]