40387856

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{41381}}^1$

素因数の和:41450

約数の個数: 20

約数和(自身を含む): 79536204

約数和(自身を除く): 39148348

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 41381, 82762, 165524, 331048, 662096, 2524241, 5048482, 10096964, 20193928, 40387856]

約数ペア:

[(1, 40387856), (2, 20193928), (4, 10096964), (8, 5048482), (16, 2524241), (61, 662096), (122, 331048), (244, 165524), (488, 82762), (976, 41381)]