123595280

素因数分解:

$2^4\times 5^1\times {\mathrm{1544941}}^1$

素因数の和:1544954

約数の個数: 20

約数和(自身を含む): 287359212

約数和(自身を除く): 163763932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1544941, 3089882, 6179764, 7724705, 12359528, 15449410, 24719056, 30898820, 61797640, 123595280]

約数ペア:

[(1, 123595280), (2, 61797640), (4, 30898820), (5, 24719056), (8, 15449410), (10, 12359528), (16, 7724705), (20, 6179764), (40, 3089882), (80, 1544941)]