9521840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2957

約数の個数: 40

約数和(自身を含む): 22686048

約数和(自身を除く): 13164208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2903, 3280, 5806, 11612, 14515, 23224, 29030, 46448, 58060, 116120, 119023, 232240, 238046, 476092, 595115, 952184, 1190230, 1904368, 2380460, 4760920, 9521840]

約数ペア:

[(1, 9521840), (2, 4760920), (4, 2380460), (5, 1904368), (8, 1190230), (10, 952184), (16, 595115), (20, 476092), (40, 238046), (41, 232240), (80, 119023), (82, 116120), (164, 58060), (205, 46448), (328, 29030), (410, 23224), (656, 14515), (820, 11612), (1640, 5806), (2903, 3280)]