28281040

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1049}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 66011400

約数和(自身を除く): 37730360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1049, 1348, 1685, 2098, 2696, 3370, 4196, 5245, 5392, 6740, 8392, 10490, 13480, 16784, 20980, 26960, 41960, 83920, 353513, 707026, 1414052, 1767565, 2828104, 3535130, 5656208, 7070260, 14140520, 28281040]

約数ペア:

[(1, 28281040), (2, 14140520), (4, 7070260), (5, 5656208), (8, 3535130), (10, 2828104), (16, 1767565), (20, 1414052), (40, 707026), (80, 353513), (337, 83920), (674, 41960), (1049, 26960), (1348, 20980), (1685, 16784), (2098, 13480), (2696, 10490), (3370, 8392), (4196, 6740), (5245, 5392)]