12684400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1706

約数の個数: 60

約数和(自身を含む): 32097400

約数和(自身を除く): 19413000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1669, 1900, 3338, 3800, 6676, 7600, 8345, 13352, 16690, 26704, 31711, 33380, 41725, 63422, 66760, 83450, 126844, 133520, 158555, 166900, 253688, 317110, 333800, 507376, 634220, 667600, 792775, 1268440, 1585550, 2536880, 3171100, 6342200, 12684400]

約数ペア:

[(1, 12684400), (2, 6342200), (4, 3171100), (5, 2536880), (8, 1585550), (10, 1268440), (16, 792775), (19, 667600), (20, 634220), (25, 507376), (38, 333800), (40, 317110), (50, 253688), (76, 166900), (80, 158555), (95, 133520), (100, 126844), (152, 83450), (190, 66760), (200, 63422), (304, 41725), (380, 33380), (400, 31711), (475, 26704), (760, 16690), (950, 13352), (1520, 8345), (1669, 7600), (1900, 6676), (3338, 3800)]