80470780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309503}}^1$

素因数の和:309525

約数の個数: 24

約数和(自身を含む): 181988352

約数和(自身を除く): 101517572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309503, 619006, 1238012, 1547515, 3095030, 4023539, 6190060, 8047078, 16094156, 20117695, 40235390, 80470780]

約数ペア:

[(1, 80470780), (2, 40235390), (4, 20117695), (5, 16094156), (10, 8047078), (13, 6190060), (20, 4023539), (26, 3095030), (52, 1547515), (65, 1238012), (130, 619006), (260, 309503)]