39991880

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2309}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 90228600

約数和(自身を除く): 50236720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 2309, 3464, 4330, 4618, 8660, 9236, 11545, 17320, 18472, 23090, 46180, 92360, 999797, 1999594, 3999188, 4998985, 7998376, 9997970, 19995940, 39991880]

約数ペア:

[(1, 39991880), (2, 19995940), (4, 9997970), (5, 7998376), (8, 4998985), (10, 3999188), (20, 1999594), (40, 999797), (433, 92360), (866, 46180), (1732, 23090), (2165, 18472), (2309, 17320), (3464, 11545), (4330, 9236), (4618, 8660)]