80180080

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2687}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 186988032

約数和(自身を除く): 106807952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2687, 2984, 3730, 5374, 5968, 7460, 10748, 13435, 14920, 21496, 26870, 29840, 42992, 53740, 107480, 214960, 1002251, 2004502, 4009004, 5011255, 8018008, 10022510, 16036016, 20045020, 40090040, 80180080]

約数ペア:

[(1, 80180080), (2, 40090040), (4, 20045020), (5, 16036016), (8, 10022510), (10, 8018008), (16, 5011255), (20, 4009004), (40, 2004502), (80, 1002251), (373, 214960), (746, 107480), (1492, 53740), (1865, 42992), (2687, 29840), (2984, 26870), (3730, 21496), (5374, 14920), (5968, 13435), (7460, 10748)]