18738800

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:690

約数の個数: 60

約数和(自身を含む): 45666720

約数和(自身を除く): 26927920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 593, 632, 790, 1186, 1264, 1580, 1975, 2372, 2965, 3160, 3950, 4744, 5930, 6320, 7900, 9488, 11860, 14825, 15800, 23720, 29650, 31600, 46847, 47440, 59300, 93694, 118600, 187388, 234235, 237200, 374776, 468470, 749552, 936940, 1171175, 1873880, 2342350, 3747760, 4684700, 9369400, 18738800]

約数ペア:

[(1, 18738800), (2, 9369400), (4, 4684700), (5, 3747760), (8, 2342350), (10, 1873880), (16, 1171175), (20, 936940), (25, 749552), (40, 468470), (50, 374776), (79, 237200), (80, 234235), (100, 187388), (158, 118600), (200, 93694), (316, 59300), (395, 47440), (400, 46847), (593, 31600), (632, 29650), (790, 23720), (1186, 15800), (1264, 14825), (1580, 11860), (1975, 9488), (2372, 7900), (2965, 6320), (3160, 5930), (3950, 4744)]