85120120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40151}}^1$

素因数の和:40215

約数の個数: 32

約数和(自身を含む): 195138720

約数和(自身を除く): 110018600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 40151, 80302, 160604, 200755, 321208, 401510, 803020, 1606040, 2128003, 4256006, 8512012, 10640015, 17024024, 21280030, 42560060, 85120120]

約数ペア:

[(1, 85120120), (2, 42560060), (4, 21280030), (5, 17024024), (8, 10640015), (10, 8512012), (20, 4256006), (40, 2128003), (53, 1606040), (106, 803020), (212, 401510), (265, 321208), (424, 200755), (530, 160604), (1060, 80302), (2120, 40151)]