38206520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 95178240

約数和(自身を除く): 56971720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1223, 1420, 1562, 2446, 2840, 3124, 3905, 4892, 6115, 6248, 7810, 9784, 12230, 13453, 15620, 24460, 26906, 31240, 48920, 53812, 67265, 86833, 107624, 134530, 173666, 269060, 347332, 434165, 538120, 694664, 868330, 955163, 1736660, 1910326, 3473320, 3820652, 4775815, 7641304, 9551630, 19103260, 38206520]

約数ペア:

[(1, 38206520), (2, 19103260), (4, 9551630), (5, 7641304), (8, 4775815), (10, 3820652), (11, 3473320), (20, 1910326), (22, 1736660), (40, 955163), (44, 868330), (55, 694664), (71, 538120), (88, 434165), (110, 347332), (142, 269060), (220, 173666), (284, 134530), (355, 107624), (440, 86833), (568, 67265), (710, 53812), (781, 48920), (1223, 31240), (1420, 26906), (1562, 24460), (2446, 15620), (2840, 13453), (3124, 12230), (3905, 9784), (4892, 7810), (6115, 6248)]