38077780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 86824080

約数和(自身を除く): 48746300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1069, 1370, 1781, 2138, 2740, 3562, 4276, 5345, 7124, 8905, 10690, 13897, 17810, 21380, 27794, 35620, 55588, 69485, 138970, 146453, 277940, 292906, 585812, 732265, 1464530, 1903889, 2929060, 3807778, 7615556, 9519445, 19038890, 38077780]

約数ペア:

[(1, 38077780), (2, 19038890), (4, 9519445), (5, 7615556), (10, 3807778), (13, 2929060), (20, 1903889), (26, 1464530), (52, 732265), (65, 585812), (130, 292906), (137, 277940), (260, 146453), (274, 138970), (548, 69485), (685, 55588), (1069, 35620), (1370, 27794), (1781, 21380), (2138, 17810), (2740, 13897), (3562, 10690), (4276, 8905), (5345, 7124)]