42695720

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1973}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 96291720

約数和(自身を除く): 53596000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1973, 2164, 2705, 3946, 4328, 5410, 7892, 9865, 10820, 15784, 19730, 21640, 39460, 78920, 1067393, 2134786, 4269572, 5336965, 8539144, 10673930, 21347860, 42695720]

約数ペア:

[(1, 42695720), (2, 21347860), (4, 10673930), (5, 8539144), (8, 5336965), (10, 4269572), (20, 2134786), (40, 1067393), (541, 78920), (1082, 39460), (1973, 21640), (2164, 19730), (2705, 15784), (3946, 10820), (4328, 9865), (5410, 7892)]