67408120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129631}}^1$

素因数の和:129655

約数の個数: 32

約数和(自身を含む): 163336320

約数和(自身を除く): 95928200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 129631, 259262, 518524, 648155, 1037048, 1296310, 1685203, 2592620, 3370406, 5185240, 6740812, 8426015, 13481624, 16852030, 33704060, 67408120]

約数ペア:

[(1, 67408120), (2, 33704060), (4, 16852030), (5, 13481624), (8, 8426015), (10, 6740812), (13, 5185240), (20, 3370406), (26, 2592620), (40, 1685203), (52, 1296310), (65, 1037048), (104, 648155), (130, 518524), (260, 259262), (520, 129631)]