26777140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 60999120

約数和(自身を除く): 34221980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 569, 724, 905, 1138, 1810, 2276, 2353, 2845, 3620, 4706, 5690, 7397, 9412, 11380, 11765, 14794, 23530, 29588, 36985, 47060, 73970, 102989, 147940, 205978, 411956, 514945, 1029890, 1338857, 2059780, 2677714, 5355428, 6694285, 13388570, 26777140]

約数ペア:

[(1, 26777140), (2, 13388570), (4, 6694285), (5, 5355428), (10, 2677714), (13, 2059780), (20, 1338857), (26, 1029890), (52, 514945), (65, 411956), (130, 205978), (181, 147940), (260, 102989), (362, 73970), (569, 47060), (724, 36985), (905, 29588), (1138, 23530), (1810, 14794), (2276, 11765), (2353, 11380), (2845, 9412), (3620, 7397), (4706, 5690)]