1567260820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1\times {\mathrm{1321}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 3325443408

約数和(自身を除く): 1758182588

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 433, 548, 685, 866, 1321, 1370, 1732, 2165, 2642, 2740, 4330, 5284, 6605, 8660, 13210, 26420, 59321, 118642, 180977, 237284, 296605, 361954, 571993, 593210, 723908, 904885, 1143986, 1186420, 1809770, 2287972, 2859965, 3619540, 5719930, 11439860, 78363041, 156726082, 313452164, 391815205, 783630410, 1567260820]

約数ペア:

[(1, 1567260820), (2, 783630410), (4, 391815205), (5, 313452164), (10, 156726082), (20, 78363041), (137, 11439860), (274, 5719930), (433, 3619540), (548, 2859965), (685, 2287972), (866, 1809770), (1321, 1186420), (1370, 1143986), (1732, 904885), (2165, 723908), (2642, 593210), (2740, 571993), (4330, 361954), (5284, 296605), (6605, 237284), (8660, 180977), (13210, 118642), (26420, 59321)]