66985400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7789}}^1$

素因数の和:7848

約数の個数: 48

約数和(自身を含む): 159383400

約数和(自身を除く): 92398000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 7789, 8600, 15578, 31156, 38945, 62312, 77890, 155780, 194725, 311560, 334927, 389450, 669854, 778900, 1339708, 1557800, 1674635, 2679416, 3349270, 6698540, 8373175, 13397080, 16746350, 33492700, 66985400]

約数ペア:

[(1, 66985400), (2, 33492700), (4, 16746350), (5, 13397080), (8, 8373175), (10, 6698540), (20, 3349270), (25, 2679416), (40, 1674635), (43, 1557800), (50, 1339708), (86, 778900), (100, 669854), (172, 389450), (200, 334927), (215, 311560), (344, 194725), (430, 155780), (860, 77890), (1075, 62312), (1720, 38945), (2150, 31156), (4300, 15578), (7789, 8600)]