8616140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 20133120

約数和(自身を除く): 11516980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1069, 1612, 2015, 2138, 4030, 4276, 5345, 8060, 10690, 13897, 21380, 27794, 33139, 55588, 66278, 69485, 132556, 138970, 165695, 277940, 331390, 430807, 662780, 861614, 1723228, 2154035, 4308070, 8616140]

約数ペア:

[(1, 8616140), (2, 4308070), (4, 2154035), (5, 1723228), (10, 861614), (13, 662780), (20, 430807), (26, 331390), (31, 277940), (52, 165695), (62, 138970), (65, 132556), (124, 69485), (130, 66278), (155, 55588), (260, 33139), (310, 27794), (403, 21380), (620, 13897), (806, 10690), (1069, 8060), (1612, 5345), (2015, 4276), (2138, 4030)]