38985520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 67079120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1619, 1720, 2408, 3010, 3238, 3440, 4816, 6020, 6476, 8095, 11333, 12040, 12952, 16190, 22666, 24080, 25904, 32380, 45332, 56665, 64760, 69617, 90664, 113330, 129520, 139234, 181328, 226660, 278468, 348085, 453320, 487319, 556936, 696170, 906640, 974638, 1113872, 1392340, 1949276, 2436595, 2784680, 3898552, 4873190, 5569360, 7797104, 9746380, 19492760, 38985520]

約数ペア:

[(1, 38985520), (2, 19492760), (4, 9746380), (5, 7797104), (7, 5569360), (8, 4873190), (10, 3898552), (14, 2784680), (16, 2436595), (20, 1949276), (28, 1392340), (35, 1113872), (40, 974638), (43, 906640), (56, 696170), (70, 556936), (80, 487319), (86, 453320), (112, 348085), (140, 278468), (172, 226660), (215, 181328), (280, 139234), (301, 129520), (344, 113330), (430, 90664), (560, 69617), (602, 64760), (688, 56665), (860, 45332), (1204, 32380), (1505, 25904), (1619, 24080), (1720, 22666), (2408, 16190), (3010, 12952), (3238, 12040), (3440, 11333), (4816, 8095), (6020, 6476)]