13187920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9697}}^1$

素因数の和:9727

約数の個数: 40

約数和(自身を含む): 32468904

約数和(自身を除く): 19280984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9697, 19394, 38788, 48485, 77576, 96970, 155152, 164849, 193940, 329698, 387880, 659396, 775760, 824245, 1318792, 1648490, 2637584, 3296980, 6593960, 13187920]

約数ペア:

[(1, 13187920), (2, 6593960), (4, 3296980), (5, 2637584), (8, 1648490), (10, 1318792), (16, 824245), (17, 775760), (20, 659396), (34, 387880), (40, 329698), (68, 193940), (80, 164849), (85, 155152), (136, 96970), (170, 77576), (272, 48485), (340, 38788), (680, 19394), (1360, 9697)]