80416976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{823}}^1$

素因数の和:1059

約数の個数: 40

約数和(自身を含む): 161846784

約数和(自身を除く): 81429808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 394, 496, 788, 823, 1576, 1646, 3152, 3292, 6107, 6584, 12214, 13168, 24428, 25513, 48856, 51026, 97712, 102052, 162131, 204104, 324262, 408208, 648524, 1297048, 2594096, 5026061, 10052122, 20104244, 40208488, 80416976]

約数ペア:

[(1, 80416976), (2, 40208488), (4, 20104244), (8, 10052122), (16, 5026061), (31, 2594096), (62, 1297048), (124, 648524), (197, 408208), (248, 324262), (394, 204104), (496, 162131), (788, 102052), (823, 97712), (1576, 51026), (1646, 48856), (3152, 25513), (3292, 24428), (6107, 13168), (6584, 12214)]