80437648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{173357}}^1$

素因数の和:173394

約数の個数: 20

約数和(自身を含む): 161222940

約数和(自身を除く): 80785292

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 173357, 346714, 693428, 1386856, 2773712, 5027353, 10054706, 20109412, 40218824, 80437648]

約数ペア:

[(1, 80437648), (2, 40218824), (4, 20109412), (8, 10054706), (16, 5027353), (29, 2773712), (58, 1386856), (116, 693428), (232, 346714), (464, 173357)]