38987440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10369}}^1$

素因数の和:10429

約数の個数: 40

約数和(自身を含む): 92583360

約数和(自身を除く): 53595920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 10369, 20738, 41476, 51845, 82952, 103690, 165904, 207380, 414760, 487343, 829520, 974686, 1949372, 2436715, 3898744, 4873430, 7797488, 9746860, 19493720, 38987440]

約数ペア:

[(1, 38987440), (2, 19493720), (4, 9746860), (5, 7797488), (8, 4873430), (10, 3898744), (16, 2436715), (20, 1949372), (40, 974686), (47, 829520), (80, 487343), (94, 414760), (188, 207380), (235, 165904), (376, 103690), (470, 82952), (752, 51845), (940, 41476), (1880, 20738), (3760, 10369)]