7880440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10369}}^1$

素因数の和:10399

約数の個数: 32

約数和(自身を含む): 18666000

約数和(自身を除く): 10785560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10369, 20738, 41476, 51845, 82952, 103690, 197011, 207380, 394022, 414760, 788044, 985055, 1576088, 1970110, 3940220, 7880440]

約数ペア:

[(1, 7880440), (2, 3940220), (4, 1970110), (5, 1576088), (8, 985055), (10, 788044), (19, 414760), (20, 394022), (38, 207380), (40, 197011), (76, 103690), (95, 82952), (152, 51845), (190, 41476), (380, 20738), (760, 10369)]