8961740

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 18942000

約数和(自身を除く): 9980260

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2749, 3260, 5498, 10996, 13745, 27490, 54980, 448087, 896174, 1792348, 2240435, 4480870, 8961740]

約数ペア:

[(1, 8961740), (2, 4480870), (4, 2240435), (5, 1792348), (10, 896174), (20, 448087), (163, 54980), (326, 27490), (652, 13745), (815, 10996), (1630, 5498), (2749, 3260)]