156789759440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17980477}}^1$

素因数の和:17980599

約数の個数: 40

約数和(自身を含む): 367880579880

約数和(自身を除く): 211090820440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 17980477, 35960954, 71921908, 89902385, 143843816, 179804770, 287687632, 359609540, 719219080, 1438438160, 1959871993, 3919743986, 7839487972, 9799359965, 15678975944, 19598719930, 31357951888, 39197439860, 78394879720, 156789759440]

約数ペア:

[(1, 156789759440), (2, 78394879720), (4, 39197439860), (5, 31357951888), (8, 19598719930), (10, 15678975944), (16, 9799359965), (20, 7839487972), (40, 3919743986), (80, 1959871993), (109, 1438438160), (218, 719219080), (436, 359609540), (545, 287687632), (872, 179804770), (1090, 143843816), (1744, 89902385), (2180, 71921908), (4360, 35960954), (8720, 17980477)]