13440320

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:547

約数の個数: 56

約数和(自身を含む): 32409384

約数和(自身を除く): 18969064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 433, 485, 776, 866, 970, 1552, 1732, 1940, 2165, 3104, 3464, 3880, 4330, 6208, 6928, 7760, 8660, 13856, 15520, 17320, 27712, 31040, 34640, 42001, 69280, 84002, 138560, 168004, 210005, 336008, 420010, 672016, 840020, 1344032, 1680040, 2688064, 3360080, 6720160, 13440320]

約数ペア:

[(1, 13440320), (2, 6720160), (4, 3360080), (5, 2688064), (8, 1680040), (10, 1344032), (16, 840020), (20, 672016), (32, 420010), (40, 336008), (64, 210005), (80, 168004), (97, 138560), (160, 84002), (194, 69280), (320, 42001), (388, 34640), (433, 31040), (485, 27712), (776, 17320), (866, 15520), (970, 13856), (1552, 8660), (1732, 7760), (1940, 6928), (2165, 6208), (3104, 4330), (3464, 3880)]