260920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 641520

約数和(自身を除く): 380600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 593, 1186, 2372, 2965, 4744, 5930, 6523, 11860, 13046, 23720, 26092, 32615, 52184, 65230, 130460, 260920]

約数ペア:

[(1, 260920), (2, 130460), (4, 65230), (5, 52184), (8, 32615), (10, 26092), (11, 23720), (20, 13046), (22, 11860), (40, 6523), (44, 5930), (55, 4744), (88, 2965), (110, 2372), (220, 1186), (440, 593)]