13438020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7764

約数の個数: 48

約数和(自身を含む): 38928960

約数和(自身を除く): 25490940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 7723, 15446, 23169, 30892, 38615, 46338, 77230, 92676, 115845, 154460, 223967, 231690, 447934, 463380, 671901, 895868, 1119835, 1343802, 2239670, 2687604, 3359505, 4479340, 6719010, 13438020]

約数ペア:

[(1, 13438020), (2, 6719010), (3, 4479340), (4, 3359505), (5, 2687604), (6, 2239670), (10, 1343802), (12, 1119835), (15, 895868), (20, 671901), (29, 463380), (30, 447934), (58, 231690), (60, 223967), (87, 154460), (116, 115845), (145, 92676), (174, 77230), (290, 46338), (348, 38615), (435, 30892), (580, 23169), (870, 15446), (1740, 7723)]