39649040

素因数分解:

$2^4\times 5^1\times {\mathrm{495613}}^1$

素因数の和:495626

約数の個数: 20

約数和(自身を含む): 92184204

約数和(自身を除く): 52535164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495613, 991226, 1982452, 2478065, 3964904, 4956130, 7929808, 9912260, 19824520, 39649040]

約数ペア:

[(1, 39649040), (2, 19824520), (4, 9912260), (5, 7929808), (8, 4956130), (10, 3964904), (16, 2478065), (20, 1982452), (40, 991226), (80, 495613)]