5438320

素因数分解:

$2^4\times 5^1\times {\mathrm{67979}}^1$

素因数の和:67992

約数の個数: 20

約数和(自身を含む): 12644280

約数和(自身を除く): 7205960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67979, 135958, 271916, 339895, 543832, 679790, 1087664, 1359580, 2719160, 5438320]

約数ペア:

[(1, 5438320), (2, 2719160), (4, 1359580), (5, 1087664), (8, 679790), (10, 543832), (16, 339895), (20, 271916), (40, 135958), (80, 67979)]