28398080

素因数分解:

$2^9\times 5^1\times {\mathrm{11093}}^1$

素因数の和:11116

約数の個数: 40

約数和(自身を含む): 68094972

約数和(自身を除く): 39696892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11093, 22186, 44372, 55465, 88744, 110930, 177488, 221860, 354976, 443720, 709952, 887440, 1419904, 1774880, 2839808, 3549760, 5679616, 7099520, 14199040, 28398080]

約数ペア:

[(1, 28398080), (2, 14199040), (4, 7099520), (5, 5679616), (8, 3549760), (10, 2839808), (16, 1774880), (20, 1419904), (32, 887440), (40, 709952), (64, 443720), (80, 354976), (128, 221860), (160, 177488), (256, 110930), (320, 88744), (512, 55465), (640, 44372), (1280, 22186), (2560, 11093)]