169675280

素因数分解:

$2^4\times 5^1\times {\mathrm{2120941}}^1$

素因数の和:2120954

約数の個数: 20

約数和(自身を含む): 394495212

約数和(自身を除く): 224819932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2120941, 4241882, 8483764, 10604705, 16967528, 21209410, 33935056, 42418820, 84837640, 169675280]

約数ペア:

[(1, 169675280), (2, 84837640), (4, 42418820), (5, 33935056), (8, 21209410), (10, 16967528), (16, 10604705), (20, 8483764), (40, 4241882), (80, 2120941)]