12471400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 29283840

約数和(自身を除く): 16812440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 491, 508, 635, 982, 1016, 1270, 1964, 2455, 2540, 3175, 3928, 4910, 5080, 6350, 9820, 12275, 12700, 19640, 24550, 25400, 49100, 62357, 98200, 124714, 249428, 311785, 498856, 623570, 1247140, 1558925, 2494280, 3117850, 6235700, 12471400]

約数ペア:

[(1, 12471400), (2, 6235700), (4, 3117850), (5, 2494280), (8, 1558925), (10, 1247140), (20, 623570), (25, 498856), (40, 311785), (50, 249428), (100, 124714), (127, 98200), (200, 62357), (254, 49100), (491, 25400), (508, 24550), (635, 19640), (982, 12700), (1016, 12275), (1270, 9820), (1964, 6350), (2455, 5080), (2540, 4910), (3175, 3928)]