87555020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27191}}^1$

素因数の和:27230

約数の個数: 48

約数和(自身を含む): 219276288

約数和(自身を除く): 131721268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27191, 54382, 108764, 135955, 190337, 271910, 380674, 543820, 625393, 761348, 951685, 1250786, 1903370, 2501572, 3126965, 3806740, 4377751, 6253930, 8755502, 12507860, 17511004, 21888755, 43777510, 87555020]

約数ペア:

[(1, 87555020), (2, 43777510), (4, 21888755), (5, 17511004), (7, 12507860), (10, 8755502), (14, 6253930), (20, 4377751), (23, 3806740), (28, 3126965), (35, 2501572), (46, 1903370), (70, 1250786), (92, 951685), (115, 761348), (140, 625393), (161, 543820), (230, 380674), (322, 271910), (460, 190337), (644, 135955), (805, 108764), (1610, 54382), (3220, 27191)]