248525560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87509}}^1$

素因数の和:87591

約数の個数: 32

約数和(自身を含む): 567064800

約数和(自身を除く): 318539240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 87509, 175018, 350036, 437545, 700072, 875090, 1750180, 3500360, 6213139, 12426278, 24852556, 31065695, 49705112, 62131390, 124262780, 248525560]

約数ペア:

[(1, 248525560), (2, 124262780), (4, 62131390), (5, 49705112), (8, 31065695), (10, 24852556), (20, 12426278), (40, 6213139), (71, 3500360), (142, 1750180), (284, 875090), (355, 700072), (568, 437545), (710, 350036), (1420, 175018), (2840, 87509)]