13260320

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 31570560

約数和(自身を除く): 18310240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 463, 716, 895, 926, 1432, 1790, 1852, 2315, 2864, 3580, 3704, 4630, 5728, 7160, 7408, 9260, 14320, 14816, 18520, 28640, 37040, 74080, 82877, 165754, 331508, 414385, 663016, 828770, 1326032, 1657540, 2652064, 3315080, 6630160, 13260320]

約数ペア:

[(1, 13260320), (2, 6630160), (4, 3315080), (5, 2652064), (8, 1657540), (10, 1326032), (16, 828770), (20, 663016), (32, 414385), (40, 331508), (80, 165754), (160, 82877), (179, 74080), (358, 37040), (463, 28640), (716, 18520), (895, 14816), (926, 14320), (1432, 9260), (1790, 7408), (1852, 7160), (2315, 5728), (2864, 4630), (3580, 3704)]