40090040

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2687}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 90478080

約数和(自身を除く): 50388040

約数列:

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

約数ペア:

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