39563120

素因数分解:

$2^4\times 5^1\times {\mathrm{494539}}^1$

素因数の和:494552

約数の個数: 20

約数和(自身を含む): 91984440

約数和(自身を除く): 52421320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 494539, 989078, 1978156, 2472695, 3956312, 4945390, 7912624, 9890780, 19781560, 39563120]

約数ペア:

[(1, 39563120), (2, 19781560), (4, 9890780), (5, 7912624), (8, 4945390), (10, 3956312), (16, 2472695), (20, 1978156), (40, 989078), (80, 494539)]