85120048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 188210176

約数和(自身を除く): 103090128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 307, 344, 403, 496, 559, 614, 688, 806, 1118, 1228, 1333, 1612, 2236, 2456, 2666, 3224, 3991, 4472, 4912, 5332, 6448, 7982, 8944, 9517, 10664, 13201, 15964, 17329, 19034, 21328, 26402, 31928, 34658, 38068, 52804, 63856, 69316, 76136, 105608, 123721, 138632, 152272, 171613, 211216, 247442, 277264, 343226, 409231, 494884, 686452, 818462, 989768, 1372904, 1636924, 1979536, 2745808, 3273848, 5320003, 6547696, 10640006, 21280012, 42560024, 85120048]

約数ペア:

[(1, 85120048), (2, 42560024), (4, 21280012), (8, 10640006), (13, 6547696), (16, 5320003), (26, 3273848), (31, 2745808), (43, 1979536), (52, 1636924), (62, 1372904), (86, 989768), (104, 818462), (124, 686452), (172, 494884), (208, 409231), (248, 343226), (307, 277264), (344, 247442), (403, 211216), (496, 171613), (559, 152272), (614, 138632), (688, 123721), (806, 105608), (1118, 76136), (1228, 69316), (1333, 63856), (1612, 52804), (2236, 38068), (2456, 34658), (2666, 31928), (3224, 26402), (3991, 21328), (4472, 19034), (4912, 17329), (5332, 15964), (6448, 13201), (7982, 10664), (8944, 9517)]