26412860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 57187200

約数和(自身を除く): 30774340

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 229, 292, 316, 365, 395, 458, 730, 790, 916, 1145, 1460, 1580, 2290, 4580, 5767, 11534, 16717, 18091, 23068, 28835, 33434, 36182, 57670, 66868, 72364, 83585, 90455, 115340, 167170, 180910, 334340, 361820, 1320643, 2641286, 5282572, 6603215, 13206430, 26412860]

約数ペア:

[(1, 26412860), (2, 13206430), (4, 6603215), (5, 5282572), (10, 2641286), (20, 1320643), (73, 361820), (79, 334340), (146, 180910), (158, 167170), (229, 115340), (292, 90455), (316, 83585), (365, 72364), (395, 66868), (458, 57670), (730, 36182), (790, 33434), (916, 28835), (1145, 23068), (1460, 18091), (1580, 16717), (2290, 11534), (4580, 5767)]