2080490314640

素因数分解:

$2^4\times 5^1\times {\mathrm{26006128933}}^1$

素因数の和:26006128946

約数の個数: 20

約数和(自身を含む): 4837139981724

約数和(自身を除く): 2756649667084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26006128933, 52012257866, 104024515732, 130030644665, 208049031464, 260061289330, 416098062928, 520122578660, 1040245157320, 2080490314640]

約数ペア:

[(1, 2080490314640), (2, 1040245157320), (4, 520122578660), (5, 416098062928), (8, 260061289330), (10, 208049031464), (16, 130030644665), (20, 104024515732), (40, 52012257866), (80, 26006128933)]