2642859025

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 3323474784

約数和(自身を除く): 680615759

約数列:

[1, 5, 25, 83, 415, 641, 1987, 2075, 3205, 9935, 16025, 49675, 53203, 164921, 266015, 824605, 1273667, 1330075, 4123025, 6368335, 31841675, 105714361, 528571805, 2642859025]

約数ペア:

[(1, 2642859025), (5, 528571805), (25, 105714361), (83, 31841675), (415, 6368335), (641, 4123025), (1987, 1330075), (2075, 1273667), (3205, 824605), (9935, 266015), (16025, 164921), (49675, 53203)]