80576905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{811}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 100090368

約数和(自身を除く): 19513463

約数列:

[1, 5, 31, 155, 641, 811, 3205, 4055, 19871, 25141, 99355, 125705, 519851, 2599255, 16115381, 80576905]

約数ペア:

[(1, 80576905), (5, 16115381), (31, 2599255), (155, 519851), (641, 125705), (811, 99355), (3205, 25141), (4055, 19871)]