127923260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{71867}}^1$

素因数の和:71965

約数の個数: 24

約数和(自身を含む): 271661040

約数和(自身を除く): 143737780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 71867, 143734, 287468, 359335, 718670, 1437340, 6396163, 12792326, 25584652, 31980815, 63961630, 127923260]

約数ペア:

[(1, 127923260), (2, 63961630), (4, 31980815), (5, 25584652), (10, 12792326), (20, 6396163), (89, 1437340), (178, 718670), (356, 359335), (445, 287468), (890, 143734), (1780, 71867)]