80400496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{456821}}^1$

素因数の和:456840

約数の個数: 20

約数和(自身を含む): 169937784

約数和(自身を除く): 89537288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 456821, 913642, 1827284, 3654568, 5025031, 7309136, 10050062, 20100124, 40200248, 80400496]

約数ペア:

[(1, 80400496), (2, 40200248), (4, 20100124), (8, 10050062), (11, 7309136), (16, 5025031), (22, 3654568), (44, 1827284), (88, 913642), (176, 456821)]