87565480

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5869}}^1$

素因数の和:6253

約数の個数: 32

約数和(自身を含む): 197584200

約数和(自身を除く): 110018720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 5869, 7460, 11738, 14920, 23476, 29345, 46952, 58690, 117380, 234760, 2189137, 4378274, 8756548, 10945685, 17513096, 21891370, 43782740, 87565480]

約数ペア:

[(1, 87565480), (2, 43782740), (4, 21891370), (5, 17513096), (8, 10945685), (10, 8756548), (20, 4378274), (40, 2189137), (373, 234760), (746, 117380), (1492, 58690), (1865, 46952), (2984, 29345), (3730, 23476), (5869, 14920), (7460, 11738)]