208051280

素因数分解:

$2^4\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{2027}}^1$

素因数の和:3323

約数の個数: 40

約数和(自身を含む): 484335072

約数和(自身を除く): 276283792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1283, 2027, 2566, 4054, 5132, 6415, 8108, 10135, 10264, 12830, 16216, 20270, 20528, 25660, 32432, 40540, 51320, 81080, 102640, 162160, 2600641, 5201282, 10402564, 13003205, 20805128, 26006410, 41610256, 52012820, 104025640, 208051280]

約数ペア:

[(1, 208051280), (2, 104025640), (4, 52012820), (5, 41610256), (8, 26006410), (10, 20805128), (16, 13003205), (20, 10402564), (40, 5201282), (80, 2600641), (1283, 162160), (2027, 102640), (2566, 81080), (4054, 51320), (5132, 40540), (6415, 32432), (8108, 25660), (10135, 20528), (10264, 20270), (12830, 16216)]