56489934520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1\times {\mathrm{28351}}^1$

素因数の和:28928

約数の個数: 64

約数和(自身を含む): 128553638400

約数和(自身を除く): 72063703880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 457, 545, 872, 914, 1090, 1828, 2180, 2285, 3656, 4360, 4570, 9140, 18280, 28351, 49813, 56702, 99626, 113404, 141755, 199252, 226808, 249065, 283510, 398504, 498130, 567020, 996260, 1134040, 1992520, 3090259, 6180518, 12361036, 12956407, 15451295, 24722072, 25912814, 30902590, 51825628, 61805180, 64782035, 103651256, 123610360, 129564070, 259128140, 518256280, 1412248363, 2824496726, 5648993452, 7061241815, 11297986904, 14122483630, 28244967260, 56489934520]

約数ペア:

[(1, 56489934520), (2, 28244967260), (4, 14122483630), (5, 11297986904), (8, 7061241815), (10, 5648993452), (20, 2824496726), (40, 1412248363), (109, 518256280), (218, 259128140), (436, 129564070), (457, 123610360), (545, 103651256), (872, 64782035), (914, 61805180), (1090, 51825628), (1828, 30902590), (2180, 25912814), (2285, 24722072), (3656, 15451295), (4360, 12956407), (4570, 12361036), (9140, 6180518), (18280, 3090259), (28351, 1992520), (49813, 1134040), (56702, 996260), (99626, 567020), (113404, 498130), (141755, 398504), (199252, 283510), (226808, 249065)]