80411824

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122579}}^1$

素因数の和:122628

約数の個数: 20

約数和(自身を含む): 159599160

約数和(自身を除く): 79187336

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122579, 245158, 490316, 980632, 1961264, 5025739, 10051478, 20102956, 40205912, 80411824]

約数ペア:

[(1, 80411824), (2, 40205912), (4, 20102956), (8, 10051478), (16, 5025739), (41, 1961264), (82, 980632), (164, 490316), (328, 245158), (656, 122579)]