79444820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43651}}^1$

素因数の和:43680

約数の個数: 48

約数和(自身を含む): 205339008

約数和(自身を除く): 125894188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43651, 87302, 174604, 218255, 305557, 436510, 567463, 611114, 873020, 1134926, 1222228, 1527785, 2269852, 2837315, 3055570, 3972241, 5674630, 6111140, 7944482, 11349260, 15888964, 19861205, 39722410, 79444820]

約数ペア:

[(1, 79444820), (2, 39722410), (4, 19861205), (5, 15888964), (7, 11349260), (10, 7944482), (13, 6111140), (14, 5674630), (20, 3972241), (26, 3055570), (28, 2837315), (35, 2269852), (52, 1527785), (65, 1222228), (70, 1134926), (91, 873020), (130, 611114), (140, 567463), (182, 436510), (260, 305557), (364, 218255), (455, 174604), (910, 87302), (1820, 43651)]