25418658020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181561843}}^1$

素因数の和:181561859

約数の個数: 24

約数和(自身を含む): 61004779584

約数和(自身を除く): 35586121564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181561843, 363123686, 726247372, 907809215, 1270932901, 1815618430, 2541865802, 3631236860, 5083731604, 6354664505, 12709329010, 25418658020]

約数ペア:

[(1, 25418658020), (2, 12709329010), (4, 6354664505), (5, 5083731604), (7, 3631236860), (10, 2541865802), (14, 1815618430), (20, 1270932901), (28, 907809215), (35, 726247372), (70, 363123686), (140, 181561843)]