65880080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117643}}^1$

素因数の和:117663

約数の個数: 40

約数和(自身を含む): 175054272

約数和(自身を除く): 109174192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117643, 235286, 470572, 588215, 823501, 941144, 1176430, 1647002, 1882288, 2352860, 3294004, 4117505, 4705720, 6588008, 8235010, 9411440, 13176016, 16470020, 32940040, 65880080]

約数ペア:

[(1, 65880080), (2, 32940040), (4, 16470020), (5, 13176016), (7, 9411440), (8, 8235010), (10, 6588008), (14, 4705720), (16, 4117505), (20, 3294004), (28, 2352860), (35, 1882288), (40, 1647002), (56, 1176430), (70, 941144), (80, 823501), (112, 588215), (140, 470572), (280, 235286), (560, 117643)]