13538600

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 31768800

約数和(自身を除く): 18230200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 487, 556, 695, 974, 1112, 1390, 1948, 2435, 2780, 3475, 3896, 4870, 5560, 6950, 9740, 12175, 13900, 19480, 24350, 27800, 48700, 67693, 97400, 135386, 270772, 338465, 541544, 676930, 1353860, 1692325, 2707720, 3384650, 6769300, 13538600]

約数ペア:

[(1, 13538600), (2, 6769300), (4, 3384650), (5, 2707720), (8, 1692325), (10, 1353860), (20, 676930), (25, 541544), (40, 338465), (50, 270772), (100, 135386), (139, 97400), (200, 67693), (278, 48700), (487, 27800), (556, 24350), (695, 19480), (974, 13900), (1112, 12175), (1390, 9740), (1948, 6950), (2435, 5560), (2780, 4870), (3475, 3896)]