12736780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90977}}^1$

素因数の和:90993

約数の個数: 24

約数和(自身を含む): 30568608

約数和(自身を除く): 17831828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90977, 181954, 363908, 454885, 636839, 909770, 1273678, 1819540, 2547356, 3184195, 6368390, 12736780]

約数ペア:

[(1, 12736780), (2, 6368390), (4, 3184195), (5, 2547356), (7, 1819540), (10, 1273678), (14, 909770), (20, 636839), (28, 454885), (35, 363908), (70, 181954), (140, 90977)]