89747140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641051}}^1$

素因数の和:641067

約数の個数: 24

約数和(自身を含む): 215393472

約数和(自身を除く): 125646332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641051, 1282102, 2564204, 3205255, 4487357, 6410510, 8974714, 12821020, 17949428, 22436785, 44873570, 89747140]

約数ペア:

[(1, 89747140), (2, 44873570), (4, 22436785), (5, 17949428), (7, 12821020), (10, 8974714), (14, 6410510), (20, 4487357), (28, 3205255), (35, 2564204), (70, 1282102), (140, 641051)]