66330860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30427}}^1$

素因数の和:30545

約数の個数: 24

約数和(自身を含む): 140577360

約数和(自身を除く): 74246500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30427, 60854, 121708, 152135, 304270, 608540, 3316543, 6633086, 13266172, 16582715, 33165430, 66330860]

約数ペア:

[(1, 66330860), (2, 33165430), (4, 16582715), (5, 13266172), (10, 6633086), (20, 3316543), (109, 608540), (218, 304270), (436, 152135), (545, 121708), (1090, 60854), (2180, 30427)]