17439640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3433}}^1$

素因数の和:3571

約数の個数: 32

約数和(自身を含む): 39559680

約数和(自身を除く): 22120040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3433, 5080, 6866, 13732, 17165, 27464, 34330, 68660, 137320, 435991, 871982, 1743964, 2179955, 3487928, 4359910, 8719820, 17439640]

約数ペア:

[(1, 17439640), (2, 8719820), (4, 4359910), (5, 3487928), (8, 2179955), (10, 1743964), (20, 871982), (40, 435991), (127, 137320), (254, 68660), (508, 34330), (635, 27464), (1016, 17165), (1270, 13732), (2540, 6866), (3433, 5080)]