85431220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32117}}^1$

素因数の和:32152

約数の個数: 48

約数和(自身を含む): 215832960

約数和(自身を除く): 130401740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32117, 64234, 128468, 160585, 224819, 321170, 449638, 610223, 642340, 899276, 1124095, 1220446, 2248190, 2440892, 3051115, 4271561, 4496380, 6102230, 8543122, 12204460, 17086244, 21357805, 42715610, 85431220]

約数ペア:

[(1, 85431220), (2, 42715610), (4, 21357805), (5, 17086244), (7, 12204460), (10, 8543122), (14, 6102230), (19, 4496380), (20, 4271561), (28, 3051115), (35, 2440892), (38, 2248190), (70, 1220446), (76, 1124095), (95, 899276), (133, 642340), (140, 610223), (190, 449638), (266, 321170), (380, 224819), (532, 160585), (665, 128468), (1330, 64234), (2660, 32117)]