201697880

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2473}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 454226400

約数和(自身を除く): 252528520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 2473, 4078, 4946, 8156, 9892, 10195, 12365, 16312, 19784, 20390, 24730, 40780, 49460, 81560, 98920, 5042447, 10084894, 20169788, 25212235, 40339576, 50424470, 100848940, 201697880]

約数ペア:

[(1, 201697880), (2, 100848940), (4, 50424470), (5, 40339576), (8, 25212235), (10, 20169788), (20, 10084894), (40, 5042447), (2039, 98920), (2473, 81560), (4078, 49460), (4946, 40780), (8156, 24730), (9892, 20390), (10195, 19784), (12365, 16312)]