289804040

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{5647}}^1$

素因数の和:6941

約数の個数: 32

約数和(自身を含む): 652682880

約数和(自身を除く): 362878840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 5647, 6415, 10264, 11294, 12830, 22588, 25660, 28235, 45176, 51320, 56470, 112940, 225880, 7245101, 14490202, 28980404, 36225505, 57960808, 72451010, 144902020, 289804040]

約数ペア:

[(1, 289804040), (2, 144902020), (4, 72451010), (5, 57960808), (8, 36225505), (10, 28980404), (20, 14490202), (40, 7245101), (1283, 225880), (2566, 112940), (5132, 56470), (5647, 51320), (6415, 45176), (10264, 28235), (11294, 25660), (12830, 22588)]