128520790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{92461}}^1$

素因数の和:92607

約数の個数: 16

約数和(自身を含む): 233004240

約数和(自身を除く): 104483450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 92461, 184922, 462305, 924610, 12852079, 25704158, 64260395, 128520790]

約数ペア:

[(1, 128520790), (2, 64260395), (5, 25704158), (10, 12852079), (139, 924610), (278, 462305), (695, 184922), (1390, 92461)]