38019475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 16977005

約数列:

[1, 5, 13, 19, 25, 47, 65, 95, 131, 235, 247, 325, 475, 611, 655, 893, 1175, 1235, 1703, 2489, 3055, 3275, 4465, 6157, 6175, 8515, 11609, 12445, 15275, 22325, 30785, 32357, 42575, 58045, 62225, 80041, 116983, 153925, 161785, 290225, 400205, 584915, 808925, 1520779, 2001025, 2924575, 7603895, 38019475]

約数ペア:

[(1, 38019475), (5, 7603895), (13, 2924575), (19, 2001025), (25, 1520779), (47, 808925), (65, 584915), (95, 400205), (131, 290225), (235, 161785), (247, 153925), (325, 116983), (475, 80041), (611, 62225), (655, 58045), (893, 42575), (1175, 32357), (1235, 30785), (1703, 22325), (2489, 15275), (3055, 12445), (3275, 11609), (4465, 8515), (6157, 6175)]