72870880

素因数分解:

$2^5\times 5^1\times {\mathrm{455443}}^1$

素因数の和:455458

約数の個数: 24

約数和(自身を含む): 172157832

約数和(自身を除く): 99286952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 455443, 910886, 1821772, 2277215, 3643544, 4554430, 7287088, 9108860, 14574176, 18217720, 36435440, 72870880]

約数ペア:

[(1, 72870880), (2, 36435440), (4, 18217720), (5, 14574176), (8, 9108860), (10, 7287088), (16, 4554430), (20, 3643544), (32, 2277215), (40, 1821772), (80, 910886), (160, 455443)]