8740820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 20357568

約数和(自身を除く): 11616748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 593, 670, 737, 1186, 1340, 1474, 2372, 2948, 2965, 3685, 5930, 6523, 7370, 11860, 13046, 14740, 26092, 32615, 39731, 65230, 79462, 130460, 158924, 198655, 397310, 437041, 794620, 874082, 1748164, 2185205, 4370410, 8740820]

約数ペア:

[(1, 8740820), (2, 4370410), (4, 2185205), (5, 1748164), (10, 874082), (11, 794620), (20, 437041), (22, 397310), (44, 198655), (55, 158924), (67, 130460), (110, 79462), (134, 65230), (220, 39731), (268, 32615), (335, 26092), (593, 14740), (670, 13046), (737, 11860), (1186, 7370), (1340, 6523), (1474, 5930), (2372, 3685), (2948, 2965)]