80858672

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82847}}^1$

素因数の和:82916

約数の個数: 20

約数和(自身を含む): 159233856

約数和(自身を除く): 78375184

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82847, 165694, 331388, 662776, 1325552, 5053667, 10107334, 20214668, 40429336, 80858672]

約数ペア:

[(1, 80858672), (2, 40429336), (4, 20214668), (8, 10107334), (16, 5053667), (61, 1325552), (122, 662776), (244, 331388), (488, 165694), (976, 82847)]