78270880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25747}}^1$

素因数の和:25781

約数の個数: 48

約数和(自身を含む): 194654880

約数和(自身を除く): 116384000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25747, 51494, 102988, 128735, 205976, 257470, 411952, 489193, 514940, 823904, 978386, 1029880, 1956772, 2059760, 2445965, 3913544, 4119520, 4891930, 7827088, 9783860, 15654176, 19567720, 39135440, 78270880]

約数ペア:

[(1, 78270880), (2, 39135440), (4, 19567720), (5, 15654176), (8, 9783860), (10, 7827088), (16, 4891930), (19, 4119520), (20, 3913544), (32, 2445965), (38, 2059760), (40, 1956772), (76, 1029880), (80, 978386), (95, 823904), (152, 514940), (160, 489193), (190, 411952), (304, 257470), (380, 205976), (608, 128735), (760, 102988), (1520, 51494), (3040, 25747)]