8887540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4993}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 18877320

約数和(自身を除く): 9989780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4993, 9986, 19972, 24965, 49930, 99860, 444377, 888754, 1777508, 2221885, 4443770, 8887540]

約数ペア:

[(1, 8887540), (2, 4443770), (4, 2221885), (5, 1777508), (10, 888754), (20, 444377), (89, 99860), (178, 49930), (356, 24965), (445, 19972), (890, 9986), (1780, 4993)]