28887650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 59781888

約数和(自身を除く): 30894238

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 991, 1166, 1325, 1982, 2650, 2915, 4955, 5830, 9910, 10901, 14575, 21802, 24775, 29150, 49550, 52523, 54505, 105046, 109010, 262615, 272525, 525230, 545050, 577753, 1155506, 1313075, 2626150, 2888765, 5777530, 14443825, 28887650]

約数ペア:

[(1, 28887650), (2, 14443825), (5, 5777530), (10, 2888765), (11, 2626150), (22, 1313075), (25, 1155506), (50, 577753), (53, 545050), (55, 525230), (106, 272525), (110, 262615), (265, 109010), (275, 105046), (530, 54505), (550, 52523), (583, 49550), (991, 29150), (1166, 24775), (1325, 21802), (1982, 14575), (2650, 10901), (2915, 9910), (4955, 5830)]