2720575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 3968496

約数和(自身を除く): 1247921

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 761, 3575, 3805, 8371, 9893, 19025, 41855, 49465, 108823, 209275, 247325, 544115, 2720575]

約数ペア:

[(1, 2720575), (5, 544115), (11, 247325), (13, 209275), (25, 108823), (55, 49465), (65, 41855), (143, 19025), (275, 9893), (325, 8371), (715, 3805), (761, 3575)]