17184520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 40360320

約数和(自身を除く): 23175800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 97, 103, 172, 194, 206, 215, 344, 388, 412, 430, 485, 515, 776, 824, 860, 970, 1030, 1720, 1940, 2060, 3880, 4120, 4171, 4429, 8342, 8858, 9991, 16684, 17716, 19982, 20855, 22145, 33368, 35432, 39964, 41710, 44290, 49955, 79928, 83420, 88580, 99910, 166840, 177160, 199820, 399640, 429613, 859226, 1718452, 2148065, 3436904, 4296130, 8592260, 17184520]

約数ペア:

[(1, 17184520), (2, 8592260), (4, 4296130), (5, 3436904), (8, 2148065), (10, 1718452), (20, 859226), (40, 429613), (43, 399640), (86, 199820), (97, 177160), (103, 166840), (172, 99910), (194, 88580), (206, 83420), (215, 79928), (344, 49955), (388, 44290), (412, 41710), (430, 39964), (485, 35432), (515, 33368), (776, 22145), (824, 20855), (860, 19982), (970, 17716), (1030, 16684), (1720, 9991), (1940, 8858), (2060, 8342), (3880, 4429), (4120, 4171)]