87015140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 189665280

約数和(自身を除く): 102650140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 293, 310, 479, 586, 620, 958, 1172, 1465, 1916, 2395, 2930, 4790, 5860, 9083, 9580, 14849, 18166, 29698, 36332, 45415, 59396, 74245, 90830, 140347, 148490, 181660, 280694, 296980, 561388, 701735, 1403470, 2806940, 4350757, 8701514, 17403028, 21753785, 43507570, 87015140]

約数ペア:

[(1, 87015140), (2, 43507570), (4, 21753785), (5, 17403028), (10, 8701514), (20, 4350757), (31, 2806940), (62, 1403470), (124, 701735), (155, 561388), (293, 296980), (310, 280694), (479, 181660), (586, 148490), (620, 140347), (958, 90830), (1172, 74245), (1465, 59396), (1916, 45415), (2395, 36332), (2930, 29698), (4790, 18166), (5860, 14849), (9083, 9580)]