66435740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474541}}^1$

素因数の和:474557

約数の個数: 24

約数和(自身を含む): 159446112

約数和(自身を除く): 93010372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474541, 949082, 1898164, 2372705, 3321787, 4745410, 6643574, 9490820, 13287148, 16608935, 33217870, 66435740]

約数ペア:

[(1, 66435740), (2, 33217870), (4, 16608935), (5, 13287148), (7, 9490820), (10, 6643574), (14, 4745410), (20, 3321787), (28, 2372705), (35, 1898164), (70, 949082), (140, 474541)]