42639952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{140263}}^1$

素因数の和:140290

約数の個数: 20

約数和(自身を含む): 86963680

約数和(自身を除く): 44323728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 140263, 280526, 561052, 1122104, 2244208, 2664997, 5329994, 10659988, 21319976, 42639952]

約数ペア:

[(1, 42639952), (2, 21319976), (4, 10659988), (8, 5329994), (16, 2664997), (19, 2244208), (38, 1122104), (76, 561052), (152, 280526), (304, 140263)]