19871008075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{929}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 25815535200

約数和(自身を除く): 5944527125

約数列:

[1, 5, 25, 29, 145, 163, 181, 725, 815, 905, 929, 4075, 4525, 4645, 4727, 5249, 23225, 23635, 26245, 26941, 29503, 118175, 131225, 134705, 147515, 151427, 168149, 673525, 737575, 757135, 840745, 855587, 3785675, 4203725, 4277935, 4391383, 4876321, 21389675, 21956915, 24381605, 27408287, 109784575, 121908025, 137041435, 685207175, 794840323, 3974201615, 19871008075]

約数ペア:

[(1, 19871008075), (5, 3974201615), (25, 794840323), (29, 685207175), (145, 137041435), (163, 121908025), (181, 109784575), (725, 27408287), (815, 24381605), (905, 21956915), (929, 21389675), (4075, 4876321), (4525, 4391383), (4645, 4277935), (4727, 4203725), (5249, 3785675), (23225, 855587), (23635, 840745), (26245, 757135), (26941, 737575), (29503, 673525), (118175, 168149), (131225, 151427), (134705, 147515)]