13040680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3361}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 29652840

約数和(自身を除く): 16612160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3361, 3880, 6722, 13444, 16805, 26888, 33610, 67220, 134440, 326017, 652034, 1304068, 1630085, 2608136, 3260170, 6520340, 13040680]

約数ペア:

[(1, 13040680), (2, 6520340), (4, 3260170), (5, 2608136), (8, 1630085), (10, 1304068), (20, 652034), (40, 326017), (97, 134440), (194, 67220), (388, 33610), (485, 26888), (776, 16805), (970, 13444), (1940, 6722), (3361, 3880)]