80979856

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{21001}}^1$

素因数の和:21250

約数の個数: 20

約数和(自身を含む): 157557004

約数和(自身を除く): 76577148

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 21001, 42002, 84004, 168008, 336016, 5061241, 10122482, 20244964, 40489928, 80979856]

約数ペア:

[(1, 80979856), (2, 40489928), (4, 20244964), (8, 10122482), (16, 5061241), (241, 336016), (482, 168008), (964, 84004), (1928, 42002), (3856, 21001)]