42660040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6793}}^1$

素因数の和:6961

約数の個数: 32

約数和(自身を含む): 96610680

約数和(自身を除く): 53950640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6793, 13586, 27172, 33965, 54344, 67930, 135860, 271720, 1066501, 2133002, 4266004, 5332505, 8532008, 10665010, 21330020, 42660040]

約数ペア:

[(1, 42660040), (2, 21330020), (4, 10665010), (5, 8532008), (8, 5332505), (10, 4266004), (20, 2133002), (40, 1066501), (157, 271720), (314, 135860), (628, 67930), (785, 54344), (1256, 33965), (1570, 27172), (3140, 13586), (6280, 6793)]