12788200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 30444480

約数和(自身を除く): 17656280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1487, 1720, 2150, 2974, 4300, 5948, 7435, 8600, 11896, 14870, 29740, 37175, 59480, 63941, 74350, 127882, 148700, 255764, 297400, 319705, 511528, 639410, 1278820, 1598525, 2557640, 3197050, 6394100, 12788200]

約数ペア:

[(1, 12788200), (2, 6394100), (4, 3197050), (5, 2557640), (8, 1598525), (10, 1278820), (20, 639410), (25, 511528), (40, 319705), (43, 297400), (50, 255764), (86, 148700), (100, 127882), (172, 74350), (200, 63941), (215, 59480), (344, 37175), (430, 29740), (860, 14870), (1075, 11896), (1487, 8600), (1720, 7435), (2150, 5948), (2974, 4300)]