1995520360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{2647}}^1$

素因数の和:3106

約数の個数: 64

約数和(自身を含む): 4598622720

約数和(自身を除く): 2603102360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 401, 470, 802, 940, 1604, 1880, 2005, 2647, 3208, 4010, 5294, 8020, 10588, 13235, 16040, 18847, 21176, 26470, 37694, 52940, 75388, 94235, 105880, 124409, 150776, 188470, 248818, 376940, 497636, 622045, 753880, 995272, 1061447, 1244090, 2122894, 2488180, 4245788, 4976360, 5307235, 8491576, 10614470, 21228940, 42457880, 49888009, 99776018, 199552036, 249440045, 399104072, 498880090, 997760180, 1995520360]

約数ペア:

[(1, 1995520360), (2, 997760180), (4, 498880090), (5, 399104072), (8, 249440045), (10, 199552036), (20, 99776018), (40, 49888009), (47, 42457880), (94, 21228940), (188, 10614470), (235, 8491576), (376, 5307235), (401, 4976360), (470, 4245788), (802, 2488180), (940, 2122894), (1604, 1244090), (1880, 1061447), (2005, 995272), (2647, 753880), (3208, 622045), (4010, 497636), (5294, 376940), (8020, 248818), (10588, 188470), (13235, 150776), (16040, 124409), (18847, 105880), (21176, 94235), (26470, 75388), (37694, 52940)]