205752620

素因数分解:

$2^2\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{3989}}^1$

素因数の和:6577

約数の個数: 24

約数和(自身を含む): 432356400

約数和(自身を除く): 226603780

約数列:

[1, 2, 4, 5, 10, 20, 2579, 3989, 5158, 7978, 10316, 12895, 15956, 19945, 25790, 39890, 51580, 79780, 10287631, 20575262, 41150524, 51438155, 102876310, 205752620]

約数ペア:

[(1, 205752620), (2, 102876310), (4, 51438155), (5, 41150524), (10, 20575262), (20, 10287631), (2579, 79780), (3989, 51580), (5158, 39890), (7978, 25790), (10316, 19945), (12895, 15956)]