81518210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7541}}^1$

素因数の和:7618

約数の個数: 32

約数和(自身を含む): 156390912

約数和(自身を除く): 74872702

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 7541, 10810, 15082, 37705, 75410, 173443, 346886, 354427, 708854, 867215, 1734430, 1772135, 3544270, 8151821, 16303642, 40759105, 81518210]

約数ペア:

[(1, 81518210), (2, 40759105), (5, 16303642), (10, 8151821), (23, 3544270), (46, 1772135), (47, 1734430), (94, 867215), (115, 708854), (230, 354427), (235, 346886), (470, 173443), (1081, 75410), (2162, 37705), (5405, 15082), (7541, 10810)]