200104040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56209}}^1$

素因数の和:56309

約数の個数: 32

約数和(自身を含む): 455301000

約数和(自身を除く): 255196960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56209, 112418, 224836, 281045, 449672, 562090, 1124180, 2248360, 5002601, 10005202, 20010404, 25013005, 40020808, 50026010, 100052020, 200104040]

約数ペア:

[(1, 200104040), (2, 100052020), (4, 50026010), (5, 40020808), (8, 25013005), (10, 20010404), (20, 10005202), (40, 5002601), (89, 2248360), (178, 1124180), (356, 562090), (445, 449672), (712, 281045), (890, 224836), (1780, 112418), (3560, 56209)]