80383775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 111421440

約数和(自身を除く): 31037665

約数列:

[1, 5, 19, 25, 31, 53, 95, 103, 155, 265, 475, 515, 589, 775, 1007, 1325, 1643, 1957, 2575, 2945, 3193, 5035, 5459, 8215, 9785, 14725, 15965, 25175, 27295, 31217, 41075, 48925, 60667, 79825, 103721, 136475, 156085, 169229, 303335, 518605, 780425, 846145, 1516675, 2593025, 3215351, 4230725, 16076755, 80383775]

約数ペア:

[(1, 80383775), (5, 16076755), (19, 4230725), (25, 3215351), (31, 2593025), (53, 1516675), (95, 846145), (103, 780425), (155, 518605), (265, 303335), (475, 169229), (515, 156085), (589, 136475), (775, 103721), (1007, 79825), (1325, 60667), (1643, 48925), (1957, 41075), (2575, 31217), (2945, 27295), (3193, 25175), (5035, 15965), (5459, 14725), (8215, 9785)]