18163280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7829}}^1$

素因数の和:7871

約数の個数: 40

約数和(自身を含む): 43691400

約数和(自身を除く): 25528120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7829, 15658, 31316, 39145, 62632, 78290, 125264, 156580, 227041, 313160, 454082, 626320, 908164, 1135205, 1816328, 2270410, 3632656, 4540820, 9081640, 18163280]

約数ペア:

[(1, 18163280), (2, 9081640), (4, 4540820), (5, 3632656), (8, 2270410), (10, 1816328), (16, 1135205), (20, 908164), (29, 626320), (40, 454082), (58, 313160), (80, 227041), (116, 156580), (145, 125264), (232, 78290), (290, 62632), (464, 39145), (580, 31316), (1160, 15658), (2320, 7829)]