40384025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 58924800

約数和(自身を除く): 18540775

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 131, 209, 275, 295, 475, 649, 655, 1045, 1121, 1441, 1475, 2489, 3245, 3275, 5225, 5605, 7205, 7729, 12331, 12445, 16225, 27379, 28025, 36025, 38645, 61655, 62225, 85019, 136895, 146851, 193225, 308275, 425095, 684475, 734255, 1615361, 2125475, 3671275, 8076805, 40384025]

約数ペア:

[(1, 40384025), (5, 8076805), (11, 3671275), (19, 2125475), (25, 1615361), (55, 734255), (59, 684475), (95, 425095), (131, 308275), (209, 193225), (275, 146851), (295, 136895), (475, 85019), (649, 62225), (655, 61655), (1045, 38645), (1121, 36025), (1441, 28025), (1475, 27379), (2489, 16225), (3245, 12445), (3275, 12331), (5225, 7729), (5605, 7205)]