2531860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 5394816

約数和(自身を除く): 2862956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1783, 3566, 7132, 8915, 17830, 35660, 126593, 253186, 506372, 632965, 1265930, 2531860]

約数ペア:

[(1, 2531860), (2, 1265930), (4, 632965), (5, 506372), (10, 253186), (20, 126593), (71, 35660), (142, 17830), (284, 8915), (355, 7132), (710, 3566), (1420, 1783)]