64470880

素因数分解:

$2^5\times 5^1\times {\mathrm{402943}}^1$

素因数の和:402958

約数の個数: 24

約数和(自身を含む): 152312832

約数和(自身を除く): 87841952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 402943, 805886, 1611772, 2014715, 3223544, 4029430, 6447088, 8058860, 12894176, 16117720, 32235440, 64470880]

約数ペア:

[(1, 64470880), (2, 32235440), (4, 16117720), (5, 12894176), (8, 8058860), (10, 6447088), (16, 4029430), (20, 3223544), (32, 2014715), (40, 1611772), (80, 805886), (160, 402943)]