13015720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4583}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 29704320

約数和(自身を除く): 16688600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4583, 9166, 18332, 22915, 36664, 45830, 91660, 183320, 325393, 650786, 1301572, 1626965, 2603144, 3253930, 6507860, 13015720]

約数ペア:

[(1, 13015720), (2, 6507860), (4, 3253930), (5, 2603144), (8, 1626965), (10, 1301572), (20, 650786), (40, 325393), (71, 183320), (142, 91660), (284, 45830), (355, 36664), (568, 22915), (710, 18332), (1420, 9166), (2840, 4583)]