20170168240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5863421}}^1$

素因数の和:5863477

約数の個数: 40

約数和(自身を含む): 47986245648

約数和(自身を除く): 27816077408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5863421, 11726842, 23453684, 29317105, 46907368, 58634210, 93814736, 117268420, 234536840, 252127103, 469073680, 504254206, 1008508412, 1260635515, 2017016824, 2521271030, 4034033648, 5042542060, 10085084120, 20170168240]

約数ペア:

[(1, 20170168240), (2, 10085084120), (4, 5042542060), (5, 4034033648), (8, 2521271030), (10, 2017016824), (16, 1260635515), (20, 1008508412), (40, 504254206), (43, 469073680), (80, 252127103), (86, 234536840), (172, 117268420), (215, 93814736), (344, 58634210), (430, 46907368), (688, 29317105), (860, 23453684), (1720, 11726842), (3440, 5863421)]