2017131875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1833

約数の個数: 40

約数和(自身を含む): 2766651888

約数和(自身を除く): 749520013

約数列:

[1, 5, 11, 25, 55, 125, 181, 275, 625, 905, 1375, 1621, 1991, 4525, 6875, 8105, 9955, 17831, 22625, 40525, 49775, 89155, 113125, 202625, 248875, 293401, 445775, 1013125, 1244375, 1467005, 2228875, 3227411, 7335025, 11144375, 16137055, 36675125, 80685275, 183375625, 403426375, 2017131875]

約数ペア:

[(1, 2017131875), (5, 403426375), (11, 183375625), (25, 80685275), (55, 36675125), (125, 16137055), (181, 11144375), (275, 7335025), (625, 3227411), (905, 2228875), (1375, 1467005), (1621, 1244375), (1991, 1013125), (4525, 445775), (6875, 293401), (8105, 248875), (9955, 202625), (17831, 113125), (22625, 89155), (40525, 49775)]