80899664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82889}}^1$

素因数の和:82958

約数の個数: 20

約数和(自身を含む): 159314580

約数和(自身を除く): 78414916

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82889, 165778, 331556, 663112, 1326224, 5056229, 10112458, 20224916, 40449832, 80899664]

約数ペア:

[(1, 80899664), (2, 40449832), (4, 20224916), (8, 10112458), (16, 5056229), (61, 1326224), (122, 663112), (244, 331556), (488, 165778), (976, 82889)]