1957520125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{74929}}^1$

素因数の和:74974

約数の個数: 32

約数和(自身を含む): 2805379200

約数和(自身を除く): 847859075

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 5225, 26125, 74929, 374645, 824219, 1423651, 1873225, 4121095, 7118255, 9366125, 15660161, 20605475, 35591275, 78300805, 103027375, 177956375, 391504025, 1957520125]

約数ペア:

[(1, 1957520125), (5, 391504025), (11, 177956375), (19, 103027375), (25, 78300805), (55, 35591275), (95, 20605475), (125, 15660161), (209, 9366125), (275, 7118255), (475, 4121095), (1045, 1873225), (1375, 1423651), (2375, 824219), (5225, 374645), (26125, 74929)]