39919760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26263}}^1$

素因数の和:26295

約数の個数: 40

約数和(自身を含む): 97702080

約数和(自身を除く): 57782320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26263, 52526, 105052, 131315, 210104, 262630, 420208, 498997, 525260, 997994, 1050520, 1995988, 2101040, 2494985, 3991976, 4989970, 7983952, 9979940, 19959880, 39919760]

約数ペア:

[(1, 39919760), (2, 19959880), (4, 9979940), (5, 7983952), (8, 4989970), (10, 3991976), (16, 2494985), (19, 2101040), (20, 1995988), (38, 1050520), (40, 997994), (76, 525260), (80, 498997), (95, 420208), (152, 262630), (190, 210104), (304, 131315), (380, 105052), (760, 52526), (1520, 26263)]