80492984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 179988480

約数和(自身を除く): 99495496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 991, 1144, 1562, 1846, 1982, 3124, 3692, 3964, 6248, 7384, 7928, 10153, 10901, 12883, 20306, 21802, 25766, 40612, 43604, 51532, 70361, 81224, 87208, 103064, 140722, 141713, 281444, 283426, 562888, 566852, 773971, 914693, 1133704, 1547942, 1829386, 3095884, 3658772, 6191768, 7317544, 10061623, 20123246, 40246492, 80492984]

約数ペア:

[(1, 80492984), (2, 40246492), (4, 20123246), (8, 10061623), (11, 7317544), (13, 6191768), (22, 3658772), (26, 3095884), (44, 1829386), (52, 1547942), (71, 1133704), (88, 914693), (104, 773971), (142, 566852), (143, 562888), (284, 283426), (286, 281444), (568, 141713), (572, 140722), (781, 103064), (923, 87208), (991, 81224), (1144, 70361), (1562, 51532), (1846, 43604), (1982, 40612), (3124, 25766), (3692, 21802), (3964, 20306), (6248, 12883), (7384, 10901), (7928, 10153)]