127184560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17863}}^1$

素因数の和:17965

約数の個数: 40

約数和(自身を含む): 299043360

約数和(自身を除く): 171858800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 17863, 35726, 71452, 89315, 142904, 178630, 285808, 357260, 714520, 1429040, 1589807, 3179614, 6359228, 7949035, 12718456, 15898070, 25436912, 31796140, 63592280, 127184560]

約数ペア:

[(1, 127184560), (2, 63592280), (4, 31796140), (5, 25436912), (8, 15898070), (10, 12718456), (16, 7949035), (20, 6359228), (40, 3179614), (80, 1589807), (89, 1429040), (178, 714520), (356, 357260), (445, 285808), (712, 178630), (890, 142904), (1424, 89315), (1780, 71452), (3560, 35726), (7120, 17863)]