40009008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 112624736

約数和(自身を除く): 72615728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 97, 104, 156, 194, 208, 291, 312, 388, 582, 624, 661, 776, 1164, 1261, 1322, 1552, 1983, 2328, 2522, 2644, 3783, 3966, 4656, 5044, 5288, 7566, 7932, 8593, 10088, 10576, 15132, 15864, 17186, 20176, 25779, 30264, 31728, 34372, 51558, 60528, 64117, 68744, 103116, 128234, 137488, 192351, 206232, 256468, 384702, 412464, 512936, 769404, 833521, 1025872, 1538808, 1667042, 2500563, 3077616, 3334084, 5001126, 6668168, 10002252, 13336336, 20004504, 40009008]

約数ペア:

[(1, 40009008), (2, 20004504), (3, 13336336), (4, 10002252), (6, 6668168), (8, 5001126), (12, 3334084), (13, 3077616), (16, 2500563), (24, 1667042), (26, 1538808), (39, 1025872), (48, 833521), (52, 769404), (78, 512936), (97, 412464), (104, 384702), (156, 256468), (194, 206232), (208, 192351), (291, 137488), (312, 128234), (388, 103116), (582, 68744), (624, 64117), (661, 60528), (776, 51558), (1164, 34372), (1261, 31728), (1322, 30264), (1552, 25779), (1983, 20176), (2328, 17186), (2522, 15864), (2644, 15132), (3783, 10576), (3966, 10088), (4656, 8593), (5044, 7932), (5288, 7566)]