2663620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 5655384

約数和(自身を除く): 2991764

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1373, 1940, 2746, 5492, 6865, 13730, 27460, 133181, 266362, 532724, 665905, 1331810, 2663620]

約数ペア:

[(1, 2663620), (2, 1331810), (4, 665905), (5, 532724), (10, 266362), (20, 133181), (97, 27460), (194, 13730), (388, 6865), (485, 5492), (970, 2746), (1373, 1940)]