4556780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3289

約数の個数: 24

約数和(自身を含む): 9707040

約数和(自身を除く): 5150260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3209, 6418, 12836, 16045, 32090, 64180, 227839, 455678, 911356, 1139195, 2278390, 4556780]

約数ペア:

[(1, 4556780), (2, 2278390), (4, 1139195), (5, 911356), (10, 455678), (20, 227839), (71, 64180), (142, 32090), (284, 16045), (355, 12836), (710, 6418), (1420, 3209)]