12457400

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 29202000

約数和(自身を除く): 16744600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 313, 398, 626, 796, 995, 1252, 1565, 1592, 1990, 2504, 3130, 3980, 4975, 6260, 7825, 7960, 9950, 12520, 15650, 19900, 31300, 39800, 62287, 62600, 124574, 249148, 311435, 498296, 622870, 1245740, 1557175, 2491480, 3114350, 6228700, 12457400]

約数ペア:

[(1, 12457400), (2, 6228700), (4, 3114350), (5, 2491480), (8, 1557175), (10, 1245740), (20, 622870), (25, 498296), (40, 311435), (50, 249148), (100, 124574), (199, 62600), (200, 62287), (313, 39800), (398, 31300), (626, 19900), (796, 15650), (995, 12520), (1252, 9950), (1565, 7960), (1592, 7825), (1990, 6260), (2504, 4975), (3130, 3980)]