8509400

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 19983840

約数和(自身を除く): 11474440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 271, 314, 542, 628, 785, 1084, 1256, 1355, 1570, 2168, 2710, 3140, 3925, 5420, 6280, 6775, 7850, 10840, 13550, 15700, 27100, 31400, 42547, 54200, 85094, 170188, 212735, 340376, 425470, 850940, 1063675, 1701880, 2127350, 4254700, 8509400]

約数ペア:

[(1, 8509400), (2, 4254700), (4, 2127350), (5, 1701880), (8, 1063675), (10, 850940), (20, 425470), (25, 340376), (40, 212735), (50, 170188), (100, 85094), (157, 54200), (200, 42547), (271, 31400), (314, 27100), (542, 15700), (628, 13550), (785, 10840), (1084, 7850), (1256, 6775), (1355, 6280), (1570, 5420), (2168, 3925), (2710, 3140)]