12395920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1741}}^1$

素因数の和:1843

約数の個数: 40

約数和(自身を含む): 29161080

約数和(自身を除く): 16765160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1741, 1780, 3482, 3560, 6964, 7120, 8705, 13928, 17410, 27856, 34820, 69640, 139280, 154949, 309898, 619796, 774745, 1239592, 1549490, 2479184, 3098980, 6197960, 12395920]

約数ペア:

[(1, 12395920), (2, 6197960), (4, 3098980), (5, 2479184), (8, 1549490), (10, 1239592), (16, 774745), (20, 619796), (40, 309898), (80, 154949), (89, 139280), (178, 69640), (356, 34820), (445, 27856), (712, 17410), (890, 13928), (1424, 8705), (1741, 7120), (1780, 6964), (3482, 3560)]