78547520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12919}}^1$

素因数の和:12955

約数の個数: 56

約数和(自身を含む): 196900800

約数和(自身を除く): 118353280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 12919, 25838, 51676, 64595, 103352, 129190, 206704, 245461, 258380, 413408, 490922, 516760, 826816, 981844, 1033520, 1227305, 1963688, 2067040, 2454610, 3927376, 4134080, 4909220, 7854752, 9818440, 15709504, 19636880, 39273760, 78547520]

約数ペア:

[(1, 78547520), (2, 39273760), (4, 19636880), (5, 15709504), (8, 9818440), (10, 7854752), (16, 4909220), (19, 4134080), (20, 3927376), (32, 2454610), (38, 2067040), (40, 1963688), (64, 1227305), (76, 1033520), (80, 981844), (95, 826816), (152, 516760), (160, 490922), (190, 413408), (304, 258380), (320, 245461), (380, 206704), (608, 129190), (760, 103352), (1216, 64595), (1520, 51676), (3040, 25838), (6080, 12919)]