81402175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7451}}^1$

素因数の和:7503

約数の個数: 24

約数和(自身を含む): 110885760

約数和(自身を除く): 29483585

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 7451, 10925, 37255, 141569, 171373, 186275, 707845, 856865, 3256087, 3539225, 4284325, 16280435, 81402175]

約数ペア:

[(1, 81402175), (5, 16280435), (19, 4284325), (23, 3539225), (25, 3256087), (95, 856865), (115, 707845), (437, 186275), (475, 171373), (575, 141569), (2185, 37255), (7451, 10925)]