64504420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140227}}^1$

素因数の和:140259

約数の個数: 24

約数和(自身を含む): 141349824

約数和(自身を除く): 76845404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 140227, 280454, 560908, 701135, 1402270, 2804540, 3225221, 6450442, 12900884, 16126105, 32252210, 64504420]

約数ペア:

[(1, 64504420), (2, 32252210), (4, 16126105), (5, 12900884), (10, 6450442), (20, 3225221), (23, 2804540), (46, 1402270), (92, 701135), (115, 560908), (230, 280454), (460, 140227)]