31483120

素因数分解:

$2^4\times 5^1\times {\mathrm{393539}}^1$

素因数の和:393552

約数の個数: 20

約数和(自身を含む): 73198440

約数和(自身を除く): 41715320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393539, 787078, 1574156, 1967695, 3148312, 3935390, 6296624, 7870780, 15741560, 31483120]

約数ペア:

[(1, 31483120), (2, 15741560), (4, 7870780), (5, 6296624), (8, 3935390), (10, 3148312), (16, 1967695), (20, 1574156), (40, 787078), (80, 393539)]