13605320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 17239480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2447, 2780, 4894, 5560, 9788, 12235, 19576, 24470, 48940, 97880, 340133, 680266, 1360532, 1700665, 2721064, 3401330, 6802660, 13605320]

約数ペア:

[(1, 13605320), (2, 6802660), (4, 3401330), (5, 2721064), (8, 1700665), (10, 1360532), (20, 680266), (40, 340133), (139, 97880), (278, 48940), (556, 24470), (695, 19576), (1112, 12235), (1390, 9788), (2447, 5560), (2780, 4894)]