128001590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{312199}}^1$

素因数の和:312247

約数の個数: 16

約数和(自身を含む): 236023200

約数和(自身を除く): 108021610

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 312199, 624398, 1560995, 3121990, 12800159, 25600318, 64000795, 128001590]

約数ペア:

[(1, 128001590), (2, 64000795), (5, 25600318), (10, 12800159), (41, 3121990), (82, 1560995), (205, 624398), (410, 312199)]