8149820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 20418048

約数和(自身を除く): 12268228

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, 2531, 3220, 5062, 10124, 12655, 17717, 25310, 35434, 50620, 58213, 70868, 88585, 116426, 177170, 232852, 291065, 354340, 407491, 582130, 814982, 1164260, 1629964, 2037455, 4074910, 8149820]

約数ペア:

[(1, 8149820), (2, 4074910), (4, 2037455), (5, 1629964), (7, 1164260), (10, 814982), (14, 582130), (20, 407491), (23, 354340), (28, 291065), (35, 232852), (46, 177170), (70, 116426), (92, 88585), (115, 70868), (140, 58213), (161, 50620), (230, 35434), (322, 25310), (460, 17717), (644, 12655), (805, 10124), (1610, 5062), (2531, 3220)]