16520240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18773}}^1$

素因数の和:18797

約数の個数: 40

約数和(自身を含む): 41903568

約数和(自身を除く): 25383328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 18773, 37546, 75092, 93865, 150184, 187730, 206503, 300368, 375460, 413006, 750920, 826012, 1032515, 1501840, 1652024, 2065030, 3304048, 4130060, 8260120, 16520240]

約数ペア:

[(1, 16520240), (2, 8260120), (4, 4130060), (5, 3304048), (8, 2065030), (10, 1652024), (11, 1501840), (16, 1032515), (20, 826012), (22, 750920), (40, 413006), (44, 375460), (55, 300368), (80, 206503), (88, 187730), (110, 150184), (176, 93865), (220, 75092), (440, 37546), (880, 18773)]