66455060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1847}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 160199424

約数和(自身を除く): 93744364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 1847, 2570, 3598, 3694, 5140, 7196, 7388, 8995, 9235, 12929, 17990, 18470, 25858, 35980, 36940, 51716, 64645, 129290, 258580, 474679, 949358, 1898716, 2373395, 3322753, 4746790, 6645506, 9493580, 13291012, 16613765, 33227530, 66455060]

約数ペア:

[(1, 66455060), (2, 33227530), (4, 16613765), (5, 13291012), (7, 9493580), (10, 6645506), (14, 4746790), (20, 3322753), (28, 2373395), (35, 1898716), (70, 949358), (140, 474679), (257, 258580), (514, 129290), (1028, 64645), (1285, 51716), (1799, 36940), (1847, 35980), (2570, 25858), (3598, 18470), (3694, 17990), (5140, 12929), (7196, 9235), (7388, 8995)]