19853800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1873}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 47056140

約数和(自身を除く): 27202340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1873, 2120, 2650, 3746, 5300, 7492, 9365, 10600, 14984, 18730, 37460, 46825, 74920, 93650, 99269, 187300, 198538, 374600, 397076, 496345, 794152, 992690, 1985380, 2481725, 3970760, 4963450, 9926900, 19853800]

約数ペア:

[(1, 19853800), (2, 9926900), (4, 4963450), (5, 3970760), (8, 2481725), (10, 1985380), (20, 992690), (25, 794152), (40, 496345), (50, 397076), (53, 374600), (100, 198538), (106, 187300), (200, 99269), (212, 93650), (265, 74920), (424, 46825), (530, 37460), (1060, 18730), (1325, 14984), (1873, 10600), (2120, 9365), (2650, 7492), (3746, 5300)]