78574880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25847}}^1$

素因数の和:25881

約数の個数: 48

約数和(自身を含む): 195410880

約数和(自身を除く): 116836000

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, 25847, 51694, 103388, 129235, 206776, 258470, 413552, 491093, 516940, 827104, 982186, 1033880, 1964372, 2067760, 2455465, 3928744, 4135520, 4910930, 7857488, 9821860, 15714976, 19643720, 39287440, 78574880]

約数ペア:

[(1, 78574880), (2, 39287440), (4, 19643720), (5, 15714976), (8, 9821860), (10, 7857488), (16, 4910930), (19, 4135520), (20, 3928744), (32, 2455465), (38, 2067760), (40, 1964372), (76, 1033880), (80, 982186), (95, 827104), (152, 516940), (160, 491093), (190, 413552), (304, 258470), (380, 206776), (608, 129235), (760, 103388), (1520, 51694), (3040, 25847)]