28481320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101719}}^1$

素因数の和:101737

約数の個数: 32

約数和(自身を含む): 73238400

約数和(自身を除く): 44757080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101719, 203438, 406876, 508595, 712033, 813752, 1017190, 1424066, 2034380, 2848132, 3560165, 4068760, 5696264, 7120330, 14240660, 28481320]

約数ペア:

[(1, 28481320), (2, 14240660), (4, 7120330), (5, 5696264), (7, 4068760), (8, 3560165), (10, 2848132), (14, 2034380), (20, 1424066), (28, 1017190), (35, 813752), (40, 712033), (56, 508595), (70, 406876), (140, 203438), (280, 101719)]