2001020725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{9689}}^1$

素因数の和:10461

約数の個数: 24

約数和(自身を含む): 2710719360

約数和(自身を除く): 709698635

約数列:

[1, 5, 11, 25, 55, 275, 751, 3755, 8261, 9689, 18775, 41305, 48445, 106579, 206525, 242225, 532895, 2664475, 7276439, 36382195, 80040829, 181910975, 400204145, 2001020725]

約数ペア:

[(1, 2001020725), (5, 400204145), (11, 181910975), (25, 80040829), (55, 36382195), (275, 7276439), (751, 2664475), (3755, 532895), (8261, 242225), (9689, 206525), (18775, 106579), (41305, 48445)]