265661140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2728

約数の個数: 48

約数和(自身を含む): 576221184

約数和(自身を除く): 310560044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 2551, 5102, 5207, 10204, 10414, 12755, 20828, 25510, 26035, 51020, 52070, 104140, 104591, 209182, 323977, 418364, 522955, 647954, 1045910, 1295908, 1619885, 2091820, 3239770, 6479540, 13283057, 26566114, 53132228, 66415285, 132830570, 265661140]

約数ペア:

[(1, 265661140), (2, 132830570), (4, 66415285), (5, 53132228), (10, 26566114), (20, 13283057), (41, 6479540), (82, 3239770), (127, 2091820), (164, 1619885), (205, 1295908), (254, 1045910), (410, 647954), (508, 522955), (635, 418364), (820, 323977), (1270, 209182), (2540, 104591), (2551, 104140), (5102, 52070), (5207, 51020), (10204, 26035), (10414, 25510), (12755, 20828)]