26519440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 66067200

約数和(自身を除く): 39547760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 239, 292, 304, 365, 380, 478, 584, 730, 760, 956, 1168, 1195, 1387, 1460, 1520, 1912, 2390, 2774, 2920, 3824, 4541, 4780, 5548, 5840, 6935, 9082, 9560, 11096, 13870, 17447, 18164, 19120, 22192, 22705, 27740, 34894, 36328, 45410, 55480, 69788, 72656, 87235, 90820, 110960, 139576, 174470, 181640, 279152, 331493, 348940, 363280, 662986, 697880, 1325972, 1395760, 1657465, 2651944, 3314930, 5303888, 6629860, 13259720, 26519440]

約数ペア:

[(1, 26519440), (2, 13259720), (4, 6629860), (5, 5303888), (8, 3314930), (10, 2651944), (16, 1657465), (19, 1395760), (20, 1325972), (38, 697880), (40, 662986), (73, 363280), (76, 348940), (80, 331493), (95, 279152), (146, 181640), (152, 174470), (190, 139576), (239, 110960), (292, 90820), (304, 87235), (365, 72656), (380, 69788), (478, 55480), (584, 45410), (730, 36328), (760, 34894), (956, 27740), (1168, 22705), (1195, 22192), (1387, 19120), (1460, 18164), (1520, 17447), (1912, 13870), (2390, 11096), (2774, 9560), (2920, 9082), (3824, 6935), (4541, 5840), (4780, 5548)]