88987540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{49993}}^1$

素因数の和:50091

約数の個数: 24

約数和(自身を含む): 188977320

約数和(自身を除く): 99989780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 49993, 99986, 199972, 249965, 499930, 999860, 4449377, 8898754, 17797508, 22246885, 44493770, 88987540]

約数ペア:

[(1, 88987540), (2, 44493770), (4, 22246885), (5, 17797508), (10, 8898754), (20, 4449377), (89, 999860), (178, 499930), (356, 249965), (445, 199972), (890, 99986), (1780, 49993)]