13223960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19447}}^1$

素因数の和:19475

約数の個数: 32

約数和(自身を含む): 31505760

約数和(自身を除く): 18281800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19447, 38894, 77788, 97235, 155576, 194470, 330599, 388940, 661198, 777880, 1322396, 1652995, 2644792, 3305990, 6611980, 13223960]

約数ペア:

[(1, 13223960), (2, 6611980), (4, 3305990), (5, 2644792), (8, 1652995), (10, 1322396), (17, 777880), (20, 661198), (34, 388940), (40, 330599), (68, 194470), (85, 155576), (136, 97235), (170, 77788), (340, 38894), (680, 19447)]