1351195280

素因数分解:

$2^4\times 5^1\times {\mathrm{16889941}}^1$

素因数の和:16889954

約数の個数: 20

約数和(自身を含む): 3141529212

約数和(自身を除く): 1790333932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16889941, 33779882, 67559764, 84449705, 135119528, 168899410, 270239056, 337798820, 675597640, 1351195280]

約数ペア:

[(1, 1351195280), (2, 675597640), (4, 337798820), (5, 270239056), (8, 168899410), (10, 135119528), (16, 84449705), (20, 67559764), (40, 33779882), (80, 16889941)]