80842780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 176160096

約数和(自身を除く): 95317316

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 370, 428, 535, 740, 1021, 1070, 2042, 2140, 3959, 4084, 5105, 7918, 10210, 15836, 19795, 20420, 37777, 39590, 75554, 79180, 109247, 151108, 188885, 218494, 377770, 436988, 546235, 755540, 1092470, 2184940, 4042139, 8084278, 16168556, 20210695, 40421390, 80842780]

約数ペア:

[(1, 80842780), (2, 40421390), (4, 20210695), (5, 16168556), (10, 8084278), (20, 4042139), (37, 2184940), (74, 1092470), (107, 755540), (148, 546235), (185, 436988), (214, 377770), (370, 218494), (428, 188885), (535, 151108), (740, 109247), (1021, 79180), (1070, 75554), (2042, 39590), (2140, 37777), (3959, 20420), (4084, 19795), (5105, 15836), (7918, 10210)]