69999760

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1021}}^1$

素因数の和:1891

約数の個数: 40

約数和(自身を含む): 163098936

約数和(自身を除く): 93099176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 1021, 1714, 2042, 3428, 4084, 4285, 5105, 6856, 8168, 8570, 10210, 13712, 16336, 17140, 20420, 34280, 40840, 68560, 81680, 874997, 1749994, 3499988, 4374985, 6999976, 8749970, 13999952, 17499940, 34999880, 69999760]

約数ペア:

[(1, 69999760), (2, 34999880), (4, 17499940), (5, 13999952), (8, 8749970), (10, 6999976), (16, 4374985), (20, 3499988), (40, 1749994), (80, 874997), (857, 81680), (1021, 68560), (1714, 40840), (2042, 34280), (3428, 20420), (4084, 17140), (4285, 16336), (5105, 13712), (6856, 10210), (8168, 8570)]