66587720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{35419}}^1$

素因数の和:35477

約数の個数: 32

約数和(自身を含む): 153014400

約数和(自身を除く): 86426680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 35419, 70838, 141676, 177095, 283352, 354190, 708380, 1416760, 1664693, 3329386, 6658772, 8323465, 13317544, 16646930, 33293860, 66587720]

約数ペア:

[(1, 66587720), (2, 33293860), (4, 16646930), (5, 13317544), (8, 8323465), (10, 6658772), (20, 3329386), (40, 1664693), (47, 1416760), (94, 708380), (188, 354190), (235, 283352), (376, 177095), (470, 141676), (940, 70838), (1880, 35419)]