80457988220

素因数分解:

$2^2\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{1787161}}^1$

素因数の和:1789421

約数の個数: 24

約数和(自身を含む): 169036930608

約数和(自身を除く): 88578942388

約数列:

[1, 2, 4, 5, 10, 20, 2251, 4502, 9004, 11255, 22510, 45020, 1787161, 3574322, 7148644, 8935805, 17871610, 35743220, 4022899411, 8045798822, 16091597644, 20114497055, 40228994110, 80457988220]

約数ペア:

[(1, 80457988220), (2, 40228994110), (4, 20114497055), (5, 16091597644), (10, 8045798822), (20, 4022899411), (2251, 35743220), (4502, 17871610), (9004, 8935805), (11255, 7148644), (22510, 3574322), (45020, 1787161)]