8065940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 17696448

約数和(自身を除く): 9630508

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 113, 166, 172, 215, 226, 332, 415, 430, 452, 565, 830, 860, 1130, 1660, 2260, 3569, 4859, 7138, 9379, 9718, 14276, 17845, 18758, 19436, 24295, 35690, 37516, 46895, 48590, 71380, 93790, 97180, 187580, 403297, 806594, 1613188, 2016485, 4032970, 8065940]

約数ペア:

[(1, 8065940), (2, 4032970), (4, 2016485), (5, 1613188), (10, 806594), (20, 403297), (43, 187580), (83, 97180), (86, 93790), (113, 71380), (166, 48590), (172, 46895), (215, 37516), (226, 35690), (332, 24295), (415, 19436), (430, 18758), (452, 17845), (565, 14276), (830, 9718), (860, 9379), (1130, 7138), (1660, 4859), (2260, 3569)]