16656551240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2586421}}^1$

素因数の和:2586462

約数の個数: 64

約数和(自身を含む): 44693372160

約数和(自身を除く): 28036820920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 2586421, 5172842, 10345684, 12932105, 18104947, 20691368, 25864210, 36209894, 51728420, 59487683, 72419788, 90524735, 103456840, 118975366, 144839576, 181049470, 237950732, 297438415, 362098940, 416413781, 475901464, 594876830, 724197880, 832827562, 1189753660, 1665655124, 2082068905, 2379507320, 3331310248, 4164137810, 8328275620, 16656551240]

約数ペア:

[(1, 16656551240), (2, 8328275620), (4, 4164137810), (5, 3331310248), (7, 2379507320), (8, 2082068905), (10, 1665655124), (14, 1189753660), (20, 832827562), (23, 724197880), (28, 594876830), (35, 475901464), (40, 416413781), (46, 362098940), (56, 297438415), (70, 237950732), (92, 181049470), (115, 144839576), (140, 118975366), (161, 103456840), (184, 90524735), (230, 72419788), (280, 59487683), (322, 51728420), (460, 36209894), (644, 25864210), (805, 20691368), (920, 18104947), (1288, 12932105), (1610, 10345684), (3220, 5172842), (6440, 2586421)]