39287440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25847}}^1$

素因数の和:25879

約数の個数: 40

約数和(自身を含む): 96154560

約数和(自身を除く): 56867120

約数列:

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

約数ペア:

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