31378580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54101}}^1$

素因数の和:54139

約数の個数: 24

約数和(自身を含む): 68168520

約数和(自身を除く): 36789940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54101, 108202, 216404, 270505, 541010, 1082020, 1568929, 3137858, 6275716, 7844645, 15689290, 31378580]

約数ペア:

[(1, 31378580), (2, 15689290), (4, 7844645), (5, 6275716), (10, 3137858), (20, 1568929), (29, 1082020), (58, 541010), (116, 270505), (145, 216404), (290, 108202), (580, 54101)]