8765430140

素因数分解:

$2^2\times 5^1\times {\mathrm{438271507}}^1$

素因数の和:438271516

約数の個数: 12

約数和(自身を含む): 18407403336

約数和(自身を除く): 9641973196

約数列:

[1, 2, 4, 5, 10, 20, 438271507, 876543014, 1753086028, 2191357535, 4382715070, 8765430140]

約数ペア:

[(1, 8765430140), (2, 4382715070), (4, 2191357535), (5, 1753086028), (10, 876543014), (20, 438271507)]