19940525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 27453600

約数和(自身を除く): 7513075

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1229, 1475, 3245, 6145, 13519, 16225, 30725, 67595, 72511, 337975, 362555, 797621, 1812775, 3988105, 19940525]

約数ペア:

[(1, 19940525), (5, 3988105), (11, 1812775), (25, 797621), (55, 362555), (59, 337975), (275, 72511), (295, 67595), (649, 30725), (1229, 16225), (1475, 13519), (3245, 6145)]