16081840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4903}}^1$

素因数の和:4957

約数の個数: 40

約数和(自身を含む): 38310048

約数和(自身を除く): 22228208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4903, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 196120, 201023, 392240, 402046, 804092, 1005115, 1608184, 2010230, 3216368, 4020460, 8040920, 16081840]

約数ペア:

[(1, 16081840), (2, 8040920), (4, 4020460), (5, 3216368), (8, 2010230), (10, 1608184), (16, 1005115), (20, 804092), (40, 402046), (41, 392240), (80, 201023), (82, 196120), (164, 98060), (205, 78448), (328, 49030), (410, 39224), (656, 24515), (820, 19612), (1640, 9806), (3280, 4903)]