2008386880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{216421}}^1$

素因数の和:216467

約数の個数: 56

約数和(自身を含む): 4947406920

約数和(自身を除く): 2939020040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 216421, 432842, 865684, 1082105, 1731368, 2164210, 3462736, 4328420, 6276209, 6925472, 8656840, 12552418, 13850944, 17313680, 25104836, 31381045, 34627360, 50209672, 62762090, 69254720, 100419344, 125524180, 200838688, 251048360, 401677376, 502096720, 1004193440, 2008386880]

約数ペア:

[(1, 2008386880), (2, 1004193440), (4, 502096720), (5, 401677376), (8, 251048360), (10, 200838688), (16, 125524180), (20, 100419344), (29, 69254720), (32, 62762090), (40, 50209672), (58, 34627360), (64, 31381045), (80, 25104836), (116, 17313680), (145, 13850944), (160, 12552418), (232, 8656840), (290, 6925472), (320, 6276209), (464, 4328420), (580, 3462736), (928, 2164210), (1160, 1731368), (1856, 1082105), (2320, 865684), (4640, 432842), (9280, 216421)]