2021872325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103553}}^1$

素因数の和:103645

約数の個数: 24

約数和(自身を含む): 2773590336

約数和(自身を除く): 751718011

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 103553, 517765, 1139083, 2588825, 5695415, 7352263, 28477075, 36761315, 80874893, 183806575, 404374465, 2021872325]

約数ペア:

[(1, 2021872325), (5, 404374465), (11, 183806575), (25, 80874893), (55, 36761315), (71, 28477075), (275, 7352263), (355, 5695415), (781, 2588825), (1775, 1139083), (3905, 517765), (19525, 103553)]