865489120

素因数分解:

$2^5\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{4931}}^1$

素因数の和:6043

約数の個数: 48

約数和(自身を含む): 2046997008

約数和(自身を除く): 1181507888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1097, 2194, 4388, 4931, 5485, 8776, 9862, 10970, 17552, 19724, 21940, 24655, 35104, 39448, 43880, 49310, 78896, 87760, 98620, 157792, 175520, 197240, 394480, 788960, 5409307, 10818614, 21637228, 27046535, 43274456, 54093070, 86548912, 108186140, 173097824, 216372280, 432744560, 865489120]

約数ペア:

[(1, 865489120), (2, 432744560), (4, 216372280), (5, 173097824), (8, 108186140), (10, 86548912), (16, 54093070), (20, 43274456), (32, 27046535), (40, 21637228), (80, 10818614), (160, 5409307), (1097, 788960), (2194, 394480), (4388, 197240), (4931, 175520), (5485, 157792), (8776, 98620), (9862, 87760), (10970, 78896), (17552, 49310), (19724, 43880), (21940, 39448), (24655, 35104)]