25417380080

素因数分解:

$2^4\times 5^1\times {\mathrm{317717251}}^1$

素因数の和:317717264

約数の個数: 20

約数和(自身を含む): 59095408872

約数和(自身を除く): 33678028792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317717251, 635434502, 1270869004, 1588586255, 2541738008, 3177172510, 5083476016, 6354345020, 12708690040, 25417380080]

約数ペア:

[(1, 25417380080), (2, 12708690040), (4, 6354345020), (5, 5083476016), (8, 3177172510), (10, 2541738008), (16, 1588586255), (20, 1270869004), (40, 635434502), (80, 317717251)]