259202480

素因数分解:

$2^4\times 5^1\times {\mathrm{3240031}}^1$

素因数の和:3240044

約数の個数: 20

約数和(自身を含む): 602645952

約数和(自身を除く): 343443472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3240031, 6480062, 12960124, 16200155, 25920248, 32400310, 51840496, 64800620, 129601240, 259202480]

約数ペア:

[(1, 259202480), (2, 129601240), (4, 64800620), (5, 51840496), (8, 32400310), (10, 25920248), (16, 16200155), (20, 12960124), (40, 6480062), (80, 3240031)]