38821520

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2711}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 90797760

約数和(自身を除く): 51976240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2711, 2864, 3580, 5422, 7160, 10844, 13555, 14320, 21688, 27110, 43376, 54220, 108440, 216880, 485269, 970538, 1941076, 2426345, 3882152, 4852690, 7764304, 9705380, 19410760, 38821520]

約数ペア:

[(1, 38821520), (2, 19410760), (4, 9705380), (5, 7764304), (8, 4852690), (10, 3882152), (16, 2426345), (20, 1941076), (40, 970538), (80, 485269), (179, 216880), (358, 108440), (716, 54220), (895, 43376), (1432, 27110), (1790, 21688), (2711, 14320), (2864, 13555), (3580, 10844), (5422, 7160)]