6986180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2143}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 14767872

約数和(自身を除く): 7781692

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2143, 3260, 4286, 8572, 10715, 21430, 42860, 349309, 698618, 1397236, 1746545, 3493090, 6986180]

約数ペア:

[(1, 6986180), (2, 3493090), (4, 1746545), (5, 1397236), (10, 698618), (20, 349309), (163, 42860), (326, 21430), (652, 10715), (815, 8572), (1630, 4286), (2143, 3260)]