1288894580

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{168263}}^1$

素因数の和:168655

約数の個数: 24

約数和(自身を含む): 2713761792

約数和(自身を除く): 1424867212

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 168263, 336526, 673052, 841315, 1682630, 3365260, 64444729, 128889458, 257778916, 322223645, 644447290, 1288894580]

約数ペア:

[(1, 1288894580), (2, 644447290), (4, 322223645), (5, 257778916), (10, 128889458), (20, 64444729), (383, 3365260), (766, 1682630), (1532, 841315), (1915, 673052), (3830, 336526), (7660, 168263)]