13556240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4133}}^1$

素因数の和:4187

約数の個数: 40

約数和(自身を含む): 32294808

約数和(自身を除く): 18738568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4133, 8266, 16532, 20665, 33064, 41330, 66128, 82660, 165320, 169453, 330640, 338906, 677812, 847265, 1355624, 1694530, 2711248, 3389060, 6778120, 13556240]

約数ペア:

[(1, 13556240), (2, 6778120), (4, 3389060), (5, 2711248), (8, 1694530), (10, 1355624), (16, 847265), (20, 677812), (40, 338906), (41, 330640), (80, 169453), (82, 165320), (164, 82660), (205, 66128), (328, 41330), (410, 33064), (656, 20665), (820, 16532), (1640, 8266), (3280, 4133)]