1520283325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{21851}}^1$

素因数の和:21906

約数の個数: 36

約数和(自身を含む): 2162299104

約数和(自身を除く): 642015779

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 1265, 2783, 3025, 6325, 13915, 21851, 69575, 109255, 240361, 502573, 546275, 1201805, 2512865, 2643971, 5528303, 6009025, 12564325, 13219855, 27641515, 60811333, 66099275, 138207575, 304056665, 1520283325]

約数ペア:

[(1, 1520283325), (5, 304056665), (11, 138207575), (23, 66099275), (25, 60811333), (55, 27641515), (115, 13219855), (121, 12564325), (253, 6009025), (275, 5528303), (575, 2643971), (605, 2512865), (1265, 1201805), (2783, 546275), (3025, 502573), (6325, 240361), (13915, 109255), (21851, 69575)]