13739480

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{883}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 31028400

約数和(自身を除く): 17288920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 883, 1556, 1766, 1945, 3112, 3532, 3890, 4415, 7064, 7780, 8830, 15560, 17660, 35320, 343487, 686974, 1373948, 1717435, 2747896, 3434870, 6869740, 13739480]

約数ペア:

[(1, 13739480), (2, 6869740), (4, 3434870), (5, 2747896), (8, 1717435), (10, 1373948), (20, 686974), (40, 343487), (389, 35320), (778, 17660), (883, 15560), (1556, 8830), (1766, 7780), (1945, 7064), (3112, 4415), (3532, 3890)]