77771840

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5171}}^1$

素因数の和:5235

約数の個数: 56

約数和(自身を含む): 189171072

約数和(自身を除く): 111399232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 5171, 7520, 10342, 15040, 20684, 25855, 41368, 51710, 82736, 103420, 165472, 206840, 243037, 330944, 413680, 486074, 827360, 972148, 1215185, 1654720, 1944296, 2430370, 3888592, 4860740, 7777184, 9721480, 15554368, 19442960, 38885920, 77771840]

約数ペア:

[(1, 77771840), (2, 38885920), (4, 19442960), (5, 15554368), (8, 9721480), (10, 7777184), (16, 4860740), (20, 3888592), (32, 2430370), (40, 1944296), (47, 1654720), (64, 1215185), (80, 972148), (94, 827360), (160, 486074), (188, 413680), (235, 330944), (320, 243037), (376, 206840), (470, 165472), (752, 103420), (940, 82736), (1504, 51710), (1880, 41368), (3008, 25855), (3760, 20684), (5171, 15040), (7520, 10342)]