61663480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14143}}^1$

素因数の和:14263

約数の個数: 32

約数和(自身を含む): 140025600

約数和(自身を除く): 78362120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 14143, 28286, 56572, 70715, 113144, 141430, 282860, 565720, 1541587, 3083174, 6166348, 7707935, 12332696, 15415870, 30831740, 61663480]

約数ペア:

[(1, 61663480), (2, 30831740), (4, 15415870), (5, 12332696), (8, 7707935), (10, 6166348), (20, 3083174), (40, 1541587), (109, 565720), (218, 282860), (436, 141430), (545, 113144), (872, 70715), (1090, 56572), (2180, 28286), (4360, 14143)]