64465780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140143}}^1$

素因数の和:140175

約数の個数: 24

約数和(自身を含む): 141265152

約数和(自身を除く): 76799372

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 140143, 280286, 560572, 700715, 1401430, 2802860, 3223289, 6446578, 12893156, 16116445, 32232890, 64465780]

約数ペア:

[(1, 64465780), (2, 32232890), (4, 16116445), (5, 12893156), (10, 6446578), (20, 3223289), (23, 2802860), (46, 1401430), (92, 700715), (115, 560572), (230, 280286), (460, 140143)]