28869640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5683}}^1$

素因数の和:5821

約数の個数: 32

約数和(自身を含む): 65479680

約数和(自身を除く): 36610040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5683, 11366, 22732, 28415, 45464, 56830, 113660, 227320, 721741, 1443482, 2886964, 3608705, 5773928, 7217410, 14434820, 28869640]

約数ペア:

[(1, 28869640), (2, 14434820), (4, 7217410), (5, 5773928), (8, 3608705), (10, 2886964), (20, 1443482), (40, 721741), (127, 227320), (254, 113660), (508, 56830), (635, 45464), (1016, 28415), (1270, 22732), (2540, 11366), (5080, 5683)]