3891080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 8861400

約数和(自身を除く): 4970320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1093, 1780, 2186, 3560, 4372, 5465, 8744, 10930, 21860, 43720, 97277, 194554, 389108, 486385, 778216, 972770, 1945540, 3891080]

約数ペア:

[(1, 3891080), (2, 1945540), (4, 972770), (5, 778216), (8, 486385), (10, 389108), (20, 194554), (40, 97277), (89, 43720), (178, 21860), (356, 10930), (445, 8744), (712, 5465), (890, 4372), (1093, 3560), (1780, 2186)]