1315660

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 2787120

約数和(自身を除く): 1471460

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 419, 628, 785, 838, 1570, 1676, 2095, 3140, 4190, 8380, 65783, 131566, 263132, 328915, 657830, 1315660]

約数ペア:

[(1, 1315660), (2, 657830), (4, 328915), (5, 263132), (10, 131566), (20, 65783), (157, 8380), (314, 4190), (419, 3140), (628, 2095), (785, 1676), (838, 1570)]