51465520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17387}}^1$

素因数の和:17437

約数の個数: 40

約数和(自身を含む): 122898384

約数和(自身を除く): 71432864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 17387, 34774, 69548, 86935, 139096, 173870, 278192, 347740, 643319, 695480, 1286638, 1390960, 2573276, 3216595, 5146552, 6433190, 10293104, 12866380, 25732760, 51465520]

約数ペア:

[(1, 51465520), (2, 25732760), (4, 12866380), (5, 10293104), (8, 6433190), (10, 5146552), (16, 3216595), (20, 2573276), (37, 1390960), (40, 1286638), (74, 695480), (80, 643319), (148, 347740), (185, 278192), (296, 173870), (370, 139096), (592, 86935), (740, 69548), (1480, 34774), (2960, 17387)]