12973880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 30551040

約数和(自身を除く): 17577160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 103, 134, 188, 206, 235, 268, 335, 376, 412, 470, 515, 536, 670, 824, 940, 1030, 1340, 1880, 2060, 2680, 3149, 4120, 4841, 6298, 6901, 9682, 12596, 13802, 15745, 19364, 24205, 25192, 27604, 31490, 34505, 38728, 48410, 55208, 62980, 69010, 96820, 125960, 138020, 193640, 276040, 324347, 648694, 1297388, 1621735, 2594776, 3243470, 6486940, 12973880]

約数ペア:

[(1, 12973880), (2, 6486940), (4, 3243470), (5, 2594776), (8, 1621735), (10, 1297388), (20, 648694), (40, 324347), (47, 276040), (67, 193640), (94, 138020), (103, 125960), (134, 96820), (188, 69010), (206, 62980), (235, 55208), (268, 48410), (335, 38728), (376, 34505), (412, 31490), (470, 27604), (515, 25192), (536, 24205), (670, 19364), (824, 15745), (940, 13802), (1030, 12596), (1340, 9682), (1880, 6901), (2060, 6298), (2680, 4841), (3149, 4120)]