2154388225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{10601}}^1$

素因数の和:11361

約数の個数: 24

約数和(自身を含む): 2918518560

約数和(自身を除く): 764130335

約数列:

[1, 5, 11, 25, 55, 275, 739, 3695, 8129, 10601, 18475, 40645, 53005, 116611, 203225, 265025, 583055, 2915275, 7834139, 39170695, 86175529, 195853475, 430877645, 2154388225]

約数ペア:

[(1, 2154388225), (5, 430877645), (11, 195853475), (25, 86175529), (55, 39170695), (275, 7834139), (739, 2915275), (3695, 583055), (8129, 265025), (10601, 203225), (18475, 116611), (40645, 53005)]