28560680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 68901840

約数和(自身を除く): 40341160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 433, 485, 680, 776, 866, 970, 1649, 1732, 1940, 2165, 3298, 3464, 3880, 4330, 6596, 7361, 8245, 8660, 13192, 14722, 16490, 17320, 29444, 32980, 36805, 42001, 58888, 65960, 73610, 84002, 147220, 168004, 210005, 294440, 336008, 420010, 714017, 840020, 1428034, 1680040, 2856068, 3570085, 5712136, 7140170, 14280340, 28560680]

約数ペア:

[(1, 28560680), (2, 14280340), (4, 7140170), (5, 5712136), (8, 3570085), (10, 2856068), (17, 1680040), (20, 1428034), (34, 840020), (40, 714017), (68, 420010), (85, 336008), (97, 294440), (136, 210005), (170, 168004), (194, 147220), (340, 84002), (388, 73610), (433, 65960), (485, 58888), (680, 42001), (776, 36805), (866, 32980), (970, 29444), (1649, 17320), (1732, 16490), (1940, 14722), (2165, 13192), (3298, 8660), (3464, 8245), (3880, 7361), (4330, 6596)]