8120720

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 19123776

約数和(自身を除く): 11003056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1223, 1328, 1660, 2446, 3320, 4892, 6115, 6640, 9784, 12230, 19568, 24460, 48920, 97840, 101509, 203018, 406036, 507545, 812072, 1015090, 1624144, 2030180, 4060360, 8120720]

約数ペア:

[(1, 8120720), (2, 4060360), (4, 2030180), (5, 1624144), (8, 1015090), (10, 812072), (16, 507545), (20, 406036), (40, 203018), (80, 101509), (83, 97840), (166, 48920), (332, 24460), (415, 19568), (664, 12230), (830, 9784), (1223, 6640), (1328, 6115), (1660, 4892), (2446, 3320)]