39028420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^2$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 83370924

約数和(自身を除く): 44342504

約数列:

[1, 2, 4, 5, 10, 20, 101, 139, 202, 278, 404, 505, 556, 695, 1010, 1390, 2020, 2780, 14039, 19321, 28078, 38642, 56156, 70195, 77284, 96605, 140390, 193210, 280780, 386420, 1951421, 3902842, 7805684, 9757105, 19514210, 39028420]

約数ペア:

[(1, 39028420), (2, 19514210), (4, 9757105), (5, 7805684), (10, 3902842), (20, 1951421), (101, 386420), (139, 280780), (202, 193210), (278, 140390), (404, 96605), (505, 77284), (556, 70195), (695, 56156), (1010, 38642), (1390, 28078), (2020, 19321), (2780, 14039)]