86438320

素因数分解:

$2^4\times 5^1\times {\mathrm{1080479}}^1$

素因数の和:1080492

約数の個数: 20

約数和(自身を含む): 200969280

約数和(自身を除く): 114530960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1080479, 2160958, 4321916, 5402395, 8643832, 10804790, 17287664, 21609580, 43219160, 86438320]

約数ペア:

[(1, 86438320), (2, 43219160), (4, 21609580), (5, 17287664), (8, 10804790), (10, 8643832), (16, 5402395), (20, 4321916), (40, 2160958), (80, 1080479)]