19673200

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 47742480

約数和(自身を除く): 28069280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 359, 400, 548, 685, 718, 1096, 1370, 1436, 1795, 2192, 2740, 2872, 3425, 3590, 5480, 5744, 6850, 7180, 8975, 10960, 13700, 14360, 17950, 27400, 28720, 35900, 49183, 54800, 71800, 98366, 143600, 196732, 245915, 393464, 491830, 786928, 983660, 1229575, 1967320, 2459150, 3934640, 4918300, 9836600, 19673200]

約数ペア:

[(1, 19673200), (2, 9836600), (4, 4918300), (5, 3934640), (8, 2459150), (10, 1967320), (16, 1229575), (20, 983660), (25, 786928), (40, 491830), (50, 393464), (80, 245915), (100, 196732), (137, 143600), (200, 98366), (274, 71800), (359, 54800), (400, 49183), (548, 35900), (685, 28720), (718, 27400), (1096, 17950), (1370, 14360), (1436, 13700), (1795, 10960), (2192, 8975), (2740, 7180), (2872, 6850), (3425, 5744), (3590, 5480)]