85996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47251}}^1$

素因数の和:47280

約数の個数: 48

約数和(自身を含む): 222273408

約数和(自身を除く): 136276588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 47251, 94502, 189004, 236255, 330757, 472510, 614263, 661514, 945020, 1228526, 1323028, 1653785, 2457052, 3071315, 3307570, 4299841, 6142630, 6615140, 8599682, 12285260, 17199364, 21499205, 42998410, 85996820]

約数ペア:

[(1, 85996820), (2, 42998410), (4, 21499205), (5, 17199364), (7, 12285260), (10, 8599682), (13, 6615140), (14, 6142630), (20, 4299841), (26, 3307570), (28, 3071315), (35, 2457052), (52, 1653785), (65, 1323028), (70, 1228526), (91, 945020), (130, 661514), (140, 614263), (182, 472510), (260, 330757), (364, 236255), (455, 189004), (910, 94502), (1820, 47251)]