2018935840

素因数分解:

$2^5\times 5^1\times {\mathrm{811}}^1\times {\mathrm{15559}}^1$

素因数の和:16385

約数の個数: 48

約数和(自身を含む): 4775924160

約数和(自身を除く): 2756988320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 811, 1622, 3244, 4055, 6488, 8110, 12976, 15559, 16220, 25952, 31118, 32440, 62236, 64880, 77795, 124472, 129760, 155590, 248944, 311180, 497888, 622360, 1244720, 2489440, 12618349, 25236698, 50473396, 63091745, 100946792, 126183490, 201893584, 252366980, 403787168, 504733960, 1009467920, 2018935840]

約数ペア:

[(1, 2018935840), (2, 1009467920), (4, 504733960), (5, 403787168), (8, 252366980), (10, 201893584), (16, 126183490), (20, 100946792), (32, 63091745), (40, 50473396), (80, 25236698), (160, 12618349), (811, 2489440), (1622, 1244720), (3244, 622360), (4055, 497888), (6488, 311180), (8110, 248944), (12976, 155590), (15559, 129760), (16220, 124472), (25952, 77795), (31118, 64880), (32440, 62236)]