51307760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91621}}^1$

素因数の和:91641

約数の個数: 40

約数和(自身を含む): 136333536

約数和(自身を除く): 85025776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91621, 183242, 366484, 458105, 641347, 732968, 916210, 1282694, 1465936, 1832420, 2565388, 3206735, 3664840, 5130776, 6413470, 7329680, 10261552, 12826940, 25653880, 51307760]

約数ペア:

[(1, 51307760), (2, 25653880), (4, 12826940), (5, 10261552), (7, 7329680), (8, 6413470), (10, 5130776), (14, 3664840), (16, 3206735), (20, 2565388), (28, 1832420), (35, 1465936), (40, 1282694), (56, 916210), (70, 732968), (80, 641347), (112, 458105), (140, 366484), (280, 183242), (560, 91621)]