1399040

素因数分解:

$2^8\times 5^1\times {\mathrm{1093}}^1$

素因数の和:1114

約数の個数: 36

約数和(自身を含む): 3354204

約数和(自身を除く): 1955164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1093, 1280, 2186, 4372, 5465, 8744, 10930, 17488, 21860, 34976, 43720, 69952, 87440, 139904, 174880, 279808, 349760, 699520, 1399040]

約数ペア:

[(1, 1399040), (2, 699520), (4, 349760), (5, 279808), (8, 174880), (10, 139904), (16, 87440), (20, 69952), (32, 43720), (40, 34976), (64, 21860), (80, 17488), (128, 10930), (160, 8744), (256, 5465), (320, 4372), (640, 2186), (1093, 1280)]