64456420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460403}}^1$

素因数の和:460419

約数の個数: 24

約数和(自身を含む): 154695744

約数和(自身を除く): 90239324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460403, 920806, 1841612, 2302015, 3222821, 4604030, 6445642, 9208060, 12891284, 16114105, 32228210, 64456420]

約数ペア:

[(1, 64456420), (2, 32228210), (4, 16114105), (5, 12891284), (7, 9208060), (10, 6445642), (14, 4604030), (20, 3222821), (28, 2302015), (35, 1841612), (70, 920806), (140, 460403)]