31219840

素因数分解:

$2^7\times 5^1\times {\mathrm{48781}}^1$

素因数の和:48800

約数の個数: 32

約数和(自身を含む): 74636460

約数和(自身を除く): 43416620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 48781, 97562, 195124, 243905, 390248, 487810, 780496, 975620, 1560992, 1951240, 3121984, 3902480, 6243968, 7804960, 15609920, 31219840]

約数ペア:

[(1, 31219840), (2, 15609920), (4, 7804960), (5, 6243968), (8, 3902480), (10, 3121984), (16, 1951240), (20, 1560992), (32, 975620), (40, 780496), (64, 487810), (80, 390248), (128, 243905), (160, 195124), (320, 97562), (640, 48781)]