13441280

素因数分解:

$2^8\times 5^1\times {\mathrm{10501}}^1$

素因数の和:10522

約数の個数: 36

約数和(自身を含む): 32199132

約数和(自身を除く): 18757852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10501, 21002, 42004, 52505, 84008, 105010, 168016, 210020, 336032, 420040, 672064, 840080, 1344128, 1680160, 2688256, 3360320, 6720640, 13441280]

約数ペア:

[(1, 13441280), (2, 6720640), (4, 3360320), (5, 2688256), (8, 1680160), (10, 1344128), (16, 840080), (20, 672064), (32, 420040), (40, 336032), (64, 210020), (80, 168016), (128, 105010), (160, 84008), (256, 52505), (320, 42004), (640, 21002), (1280, 10501)]